Home / 22,508,187.68-31,060,893.69-12,718,421.17

Finding the Fourth Proportional to 22,508,187.68, 31,060,893.69 and 12,718,421.17

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Solution

The fourth proportional to 22,508,187.68, 31,060,893.69 and 12,718,421.17 is: 17,551,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508,187.68 : 31,060,893.69 = 12,718,421.17 : x
  2. Step 2: Convert to fraction form
    22,508,187.68/31,060,893.69 = 12,718,421.17/x
  3. Step 3: Cross multiply
    22,508,187.68x = 31,060,893.69 × 12,718,421.17
  4. Step 4: Simplify right side
    22,508,187.68x = 395,045,527,788,363.19
  5. Step 5: Solve for x
    x = 395,045,527,788,363.19/22,508,187.68
  6. Step 6: Final answer
    x = 17,551,192.19

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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.