Home / 15,779,577.40-23,669,366.10-12,942,892.60

Finding the Fourth Proportional to 15,779,577.40, 23,669,366.10 and 12,942,892.60

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Solution

The fourth proportional to 15,779,577.40, 23,669,366.10 and 12,942,892.60 is: 19,414,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,577.40 : 23,669,366.10 = 12,942,892.60 : x
  2. Step 2: Convert to fraction form
    15,779,577.40/23,669,366.10 = 12,942,892.60/x
  3. Step 3: Cross multiply
    15,779,577.40x = 23,669,366.10 × 12,942,892.60
  4. Step 4: Simplify right side
    15,779,577.40x = 306,350,063,342,380.88
  5. Step 5: Solve for x
    x = 306,350,063,342,380.88/15,779,577.40
  6. Step 6: Final answer
    x = 19,414,338.90

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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.