Home / 22,221,755.56-30,664,781.04-12,430,309.24

Finding the Fourth Proportional to 22,221,755.56, 30,664,781.04 and 12,430,309.24

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Solution

The fourth proportional to 22,221,755.56, 30,664,781.04 and 12,430,309.24 is: 17,153,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221,755.56 : 30,664,781.04 = 12,430,309.24 : x
  2. Step 2: Convert to fraction form
    22,221,755.56/30,664,781.04 = 12,430,309.24/x
  3. Step 3: Cross multiply
    22,221,755.56x = 30,664,781.04 × 12,430,309.24
  4. Step 4: Simplify right side
    22,221,755.56x = 381,172,711,104,088.81
  5. Step 5: Solve for x
    x = 381,172,711,104,088.81/22,221,755.56
  6. Step 6: Final answer
    x = 17,153,132.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.