Home / 39,149,828.40-58,724,742.60-38,394,001.20

Finding the Fourth Proportional to 39,149,828.40, 58,724,742.60 and 38,394,001.20

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Solution

The fourth proportional to 39,149,828.40, 58,724,742.60 and 38,394,001.20 is: 57,591,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149,828.40 : 58,724,742.60 = 38,394,001.20 : x
  2. Step 2: Convert to fraction form
    39,149,828.40/58,724,742.60 = 38,394,001.20/x
  3. Step 3: Cross multiply
    39,149,828.40x = 58,724,742.60 × 38,394,001.20
  4. Step 4: Simplify right side
    39,149,828.40x = 2,254,677,837,854,091.50
  5. Step 5: Solve for x
    x = 2,254,677,837,854,091.50/39,149,828.40
  6. Step 6: Final answer
    x = 57,591,001.80

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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.