Home / 28,191,538.20-42,291,972.90-12,025,234.20

Finding the Fourth Proportional to 28,191,538.20, 42,291,972.90 and 12,025,234.20

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Solution

The fourth proportional to 28,191,538.20, 42,291,972.90 and 12,025,234.20 is: 18,039,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191,538.20 : 42,291,972.90 = 12,025,234.20 : x
  2. Step 2: Convert to fraction form
    28,191,538.20/42,291,972.90 = 12,025,234.20/x
  3. Step 3: Cross multiply
    28,191,538.20x = 42,291,972.90 × 12,025,234.20
  4. Step 4: Simplify right side
    28,191,538.20x = 508,570,878,902,553.12
  5. Step 5: Solve for x
    x = 508,570,878,902,553.12/28,191,538.20
  6. Step 6: Final answer
    x = 18,039,841.43

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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.