Home / 42,688,420.39-58,910,007.65-23,109,294.23

Finding the Fourth Proportional to 42,688,420.39, 58,910,007.65 and 23,109,294.23

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Solution

The fourth proportional to 42,688,420.39, 58,910,007.65 and 23,109,294.23 is: 31,890,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688,420.39 : 58,910,007.65 = 23,109,294.23 : x
  2. Step 2: Convert to fraction form
    42,688,420.39/58,910,007.65 = 23,109,294.23/x
  3. Step 3: Cross multiply
    42,688,420.39x = 58,910,007.65 × 23,109,294.23
  4. Step 4: Simplify right side
    42,688,420.39x = 1,361,368,699,686,217
  5. Step 5: Solve for x
    x = 1,361,368,699,686,217/42,688,420.39
  6. Step 6: Final answer
    x = 31,890,819.28

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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.