Home / 39,307,123.20-58,958,539.54-12,013,406.74

Finding the Fourth Proportional to 39,307,123.20, 58,958,539.54 and 12,013,406.74

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Solution

The fourth proportional to 39,307,123.20, 58,958,539.54 and 12,013,406.74 is: 18,019,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307,123.20 : 58,958,539.54 = 12,013,406.74 : x
  2. Step 2: Convert to fraction form
    39,307,123.20/58,958,539.54 = 12,013,406.74/x
  3. Step 3: Cross multiply
    39,307,123.20x = 58,958,539.54 × 12,013,406.74
  4. Step 4: Simplify right side
    39,307,123.20x = 708,292,915,935,532.75
  5. Step 5: Solve for x
    x = 708,292,915,935,532.75/39,307,123.20
  6. Step 6: Final answer
    x = 18,019,454.45

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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.