Home / 31,022,264.39-42,809,343.86-17,781,949.27

Finding the Fourth Proportional to 31,022,264.39, 42,809,343.86 and 17,781,949.27

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Solution

The fourth proportional to 31,022,264.39, 42,809,343.86 and 17,781,949.27 is: 24,538,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,022,264.39 : 42,809,343.86 = 17,781,949.27 : x
  2. Step 2: Convert to fraction form
    31,022,264.39/42,809,343.86 = 17,781,949.27/x
  3. Step 3: Cross multiply
    31,022,264.39x = 42,809,343.86 × 17,781,949.27
  4. Step 4: Simplify right side
    31,022,264.39x = 761,233,580,737,937.38
  5. Step 5: Solve for x
    x = 761,233,580,737,937.38/31,022,264.39
  6. Step 6: Final answer
    x = 24,538,298.40

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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.