Home / 13,248,043.70-19,872,065.55-8,146,210.10

Finding the Fourth Proportional to 13,248,043.70, 19,872,065.55 and 8,146,210.10

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Solution

The fourth proportional to 13,248,043.70, 19,872,065.55 and 8,146,210.10 is: 12,219,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,043.70 : 19,872,065.55 = 8,146,210.10 : x
  2. Step 2: Convert to fraction form
    13,248,043.70/19,872,065.55 = 8,146,210.10/x
  3. Step 3: Cross multiply
    13,248,043.70x = 19,872,065.55 × 8,146,210.10
  4. Step 4: Simplify right side
    13,248,043.70x = 161,882,021,091,272.06
  5. Step 5: Solve for x
    x = 161,882,021,091,272.06/13,248,043.70
  6. Step 6: Final answer
    x = 12,219,315.15

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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.