Home / 47,363,390.40-71,073,428.70-20,437,046.40

Finding the Fourth Proportional to 47,363,390.40, 71,073,428.70 and 20,437,046.40

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Solution

The fourth proportional to 47,363,390.40, 71,073,428.70 and 20,437,046.40 is: 30,667,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,363,390.40 : 71,073,428.70 = 20,437,046.40 : x
  2. Step 2: Convert to fraction form
    47,363,390.40/71,073,428.70 = 20,437,046.40/x
  3. Step 3: Cross multiply
    47,363,390.40x = 71,073,428.70 × 20,437,046.40
  4. Step 4: Simplify right side
    47,363,390.40x = 1,452,530,960,148,991.75
  5. Step 5: Solve for x
    x = 1,452,530,960,148,991.75/47,363,390.40
  6. Step 6: Final answer
    x = 30,667,799.49

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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.