Home / 15,779,591.40-23,669,387.10-12,942,906.60

Finding the Fourth Proportional to 15,779,591.40, 23,669,387.10 and 12,942,906.60

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Solution

The fourth proportional to 15,779,591.40, 23,669,387.10 and 12,942,906.60 is: 19,414,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,591.40 : 23,669,387.10 = 12,942,906.60 : x
  2. Step 2: Convert to fraction form
    15,779,591.40/23,669,387.10 = 12,942,906.60/x
  3. Step 3: Cross multiply
    15,779,591.40x = 23,669,387.10 × 12,942,906.60
  4. Step 4: Simplify right side
    15,779,591.40x = 306,350,666,514,544.88
  5. Step 5: Solve for x
    x = 306,350,666,514,544.88/15,779,591.40
  6. Step 6: Final answer
    x = 19,414,359.90

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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.