Home / 39,398,829.60-59,098,244.40-18,123,693.60

Finding the Fourth Proportional to 39,398,829.60, 59,098,244.40 and 18,123,693.60

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Solution

The fourth proportional to 39,398,829.60, 59,098,244.40 and 18,123,693.60 is: 27,185,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,398,829.60 : 59,098,244.40 = 18,123,693.60 : x
  2. Step 2: Convert to fraction form
    39,398,829.60/59,098,244.40 = 18,123,693.60/x
  3. Step 3: Cross multiply
    39,398,829.60x = 59,098,244.40 × 18,123,693.60
  4. Step 4: Simplify right side
    39,398,829.60x = 1,071,078,473,803,515.88
  5. Step 5: Solve for x
    x = 1,071,078,473,803,515.88/39,398,829.60
  6. Step 6: Final answer
    x = 27,185,540.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.