Home / 10,530,234.20-15,771,731.70-8,640,666.20

Finding the Fourth Proportional to 10,530,234.20, 15,771,731.70 and 8,640,666.20

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Solution

The fourth proportional to 10,530,234.20, 15,771,731.70 and 8,640,666.20 is: 12,941,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,234.20 : 15,771,731.70 = 8,640,666.20 : x
  2. Step 2: Convert to fraction form
    10,530,234.20/15,771,731.70 = 8,640,666.20/x
  3. Step 3: Cross multiply
    10,530,234.20x = 15,771,731.70 × 8,640,666.20
  4. Step 4: Simplify right side
    10,530,234.20x = 136,278,269,015,658.52
  5. Step 5: Solve for x
    x = 136,278,269,015,658.52/10,530,234.20
  6. Step 6: Final answer
    x = 12,941,618.05

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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.