Home / 14,019,640.80-21,029,461.20-8,610,752.40

Finding the Fourth Proportional to 14,019,640.80, 21,029,461.20 and 8,610,752.40

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Solution

The fourth proportional to 14,019,640.80, 21,029,461.20 and 8,610,752.40 is: 12,916,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019,640.80 : 21,029,461.20 = 8,610,752.40 : x
  2. Step 2: Convert to fraction form
    14,019,640.80/21,029,461.20 = 8,610,752.40/x
  3. Step 3: Cross multiply
    14,019,640.80x = 21,029,461.20 × 8,610,752.40
  4. Step 4: Simplify right side
    14,019,640.80x = 181,079,483,498,606.88
  5. Step 5: Solve for x
    x = 181,079,483,498,606.88/14,019,640.80
  6. Step 6: Final answer
    x = 12,916,128.60

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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.