Home / 28,414,089.60-42,572,145.60-13,236,892.80

Finding the Fourth Proportional to 28,414,089.60, 42,572,145.60 and 13,236,892.80

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Solution

The fourth proportional to 28,414,089.60, 42,572,145.60 and 13,236,892.80 is: 19,832,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414,089.60 : 42,572,145.60 = 13,236,892.80 : x
  2. Step 2: Convert to fraction form
    28,414,089.60/42,572,145.60 = 13,236,892.80/x
  3. Step 3: Cross multiply
    28,414,089.60x = 42,572,145.60 × 13,236,892.80
  4. Step 4: Simplify right side
    28,414,089.60x = 563,522,927,573,191.75
  5. Step 5: Solve for x
    x = 563,522,927,573,191.75/28,414,089.60
  6. Step 6: Final answer
    x = 19,832,517.44

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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.