Home / 9,015,471.60-13,490,882.18-7,805,211.09

Finding the Fourth Proportional to 9,015,471.60, 13,490,882.18 and 7,805,211.09

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Solution

The fourth proportional to 9,015,471.60, 13,490,882.18 and 7,805,211.09 is: 11,679,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015,471.60 : 13,490,882.18 = 7,805,211.09 : x
  2. Step 2: Convert to fraction form
    9,015,471.60/13,490,882.18 = 7,805,211.09/x
  3. Step 3: Cross multiply
    9,015,471.60x = 13,490,882.18 × 7,805,211.09
  4. Step 4: Simplify right side
    9,015,471.60x = 105,299,183,166,193.33
  5. Step 5: Solve for x
    x = 105,299,183,166,193.33/9,015,471.60
  6. Step 6: Final answer
    x = 11,679,830.83

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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.