Home / 14,013,695.70-21,020,543.55-13,163,390.10

Finding the Fourth Proportional to 14,013,695.70, 21,020,543.55 and 13,163,390.10

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Solution

The fourth proportional to 14,013,695.70, 21,020,543.55 and 13,163,390.10 is: 19,745,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,695.70 : 21,020,543.55 = 13,163,390.10 : x
  2. Step 2: Convert to fraction form
    14,013,695.70/21,020,543.55 = 13,163,390.10/x
  3. Step 3: Cross multiply
    14,013,695.70x = 21,020,543.55 × 13,163,390.10
  4. Step 4: Simplify right side
    14,013,695.70x = 276,701,614,862,688.84
  5. Step 5: Solve for x
    x = 276,701,614,862,688.84/14,013,695.70
  6. Step 6: Final answer
    x = 19,745,085.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.