Home / 31,068,842.28-42,876,454.02-17,317,905.96

Finding the Fourth Proportional to 31,068,842.28, 42,876,454.02 and 17,317,905.96

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Solution

The fourth proportional to 31,068,842.28, 42,876,454.02 and 17,317,905.96 is: 23,899,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068,842.28 : 42,876,454.02 = 17,317,905.96 : x
  2. Step 2: Convert to fraction form
    31,068,842.28/42,876,454.02 = 17,317,905.96/x
  3. Step 3: Cross multiply
    31,068,842.28x = 42,876,454.02 × 17,317,905.96
  4. Step 4: Simplify right side
    31,068,842.28x = 742,530,398,616,624
  5. Step 5: Solve for x
    x = 742,530,398,616,624/31,068,842.28
  6. Step 6: Final answer
    x = 23,899,519.39

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