Home / 31,038,856.72-42,836,963.25-17,101,612.96

Finding the Fourth Proportional to 31,038,856.72, 42,836,963.25 and 17,101,612.96

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Solution

The fourth proportional to 31,038,856.72, 42,836,963.25 and 17,101,612.96 is: 23,602,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038,856.72 : 42,836,963.25 = 17,101,612.96 : x
  2. Step 2: Convert to fraction form
    31,038,856.72/42,836,963.25 = 17,101,612.96/x
  3. Step 3: Cross multiply
    31,038,856.72x = 42,836,963.25 × 17,101,612.96
  4. Step 4: Simplify right side
    31,038,856.72x = 732,581,165,883,243.75
  5. Step 5: Solve for x
    x = 732,581,165,883,243.75/31,038,856.72
  6. Step 6: Final answer
    x = 23,602,066.68

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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.