Home / 39,149,840.40-58,724,760.60-38,394,013.20

Finding the Fourth Proportional to 39,149,840.40, 58,724,760.60 and 38,394,013.20

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Solution

The fourth proportional to 39,149,840.40, 58,724,760.60 and 38,394,013.20 is: 57,591,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149,840.40 : 58,724,760.60 = 38,394,013.20 : x
  2. Step 2: Convert to fraction form
    39,149,840.40/58,724,760.60 = 38,394,013.20/x
  3. Step 3: Cross multiply
    39,149,840.40x = 58,724,760.60 × 38,394,013.20
  4. Step 4: Simplify right side
    39,149,840.40x = 2,254,679,233,643,240
  5. Step 5: Solve for x
    x = 2,254,679,233,643,240/39,149,840.40
  6. Step 6: Final answer
    x = 57,591,019.80

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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.