Home / 39,749,777.28-59,624,679.78-12,458,187.54

Finding the Fourth Proportional to 39,749,777.28, 59,624,679.78 and 12,458,187.54

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Solution

The fourth proportional to 39,749,777.28, 59,624,679.78 and 12,458,187.54 is: 18,687,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749,777.28 : 59,624,679.78 = 12,458,187.54 : x
  2. Step 2: Convert to fraction form
    39,749,777.28/59,624,679.78 = 12,458,187.54/x
  3. Step 3: Cross multiply
    39,749,777.28x = 59,624,679.78 × 12,458,187.54
  4. Step 4: Simplify right side
    39,749,777.28x = 742,815,442,711,685.88
  5. Step 5: Solve for x
    x = 742,815,442,711,685.88/39,749,777.28
  6. Step 6: Final answer
    x = 18,687,285.65

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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.