Home / 8,375,941.18-12,574,543.02-7,121,740.42

Finding the Fourth Proportional to 8,375,941.18, 12,574,543.02 and 7,121,740.42

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Solution

The fourth proportional to 8,375,941.18, 12,574,543.02 and 7,121,740.42 is: 10,691,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,941.18 : 12,574,543.02 = 7,121,740.42 : x
  2. Step 2: Convert to fraction form
    8,375,941.18/12,574,543.02 = 7,121,740.42/x
  3. Step 3: Cross multiply
    8,375,941.18x = 12,574,543.02 × 7,121,740.42
  4. Step 4: Simplify right side
    8,375,941.18x = 89,552,631,288,562.86
  5. Step 5: Solve for x
    x = 89,552,631,288,562.86/8,375,941.18
  6. Step 6: Final answer
    x = 10,691,649.97

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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.