Home / 28,000,873.50-38,641,231.35-15,123,817.50

Finding the Fourth Proportional to 28,000,873.50, 38,641,231.35 and 15,123,817.50

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Solution

The fourth proportional to 28,000,873.50, 38,641,231.35 and 15,123,817.50 is: 20,870,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000,873.50 : 38,641,231.35 = 15,123,817.50 : x
  2. Step 2: Convert to fraction form
    28,000,873.50/38,641,231.35 = 15,123,817.50/x
  3. Step 3: Cross multiply
    28,000,873.50x = 38,641,231.35 × 15,123,817.50
  4. Step 4: Simplify right side
    28,000,873.50x = 584,402,930,912,678.62
  5. Step 5: Solve for x
    x = 584,402,930,912,678.62/28,000,873.50
  6. Step 6: Final answer
    x = 20,870,882.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.