Home / 5,172,131.86-7,746,240.02-4,992,770.52

Finding the Fourth Proportional to 5,172,131.86, 7,746,240.02 and 4,992,770.52

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Solution

The fourth proportional to 5,172,131.86, 7,746,240.02 and 4,992,770.52 is: 7,477,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,131.86 : 7,746,240.02 = 4,992,770.52 : x
  2. Step 2: Convert to fraction form
    5,172,131.86/7,746,240.02 = 4,992,770.52/x
  3. Step 3: Cross multiply
    5,172,131.86x = 7,746,240.02 × 4,992,770.52
  4. Step 4: Simplify right side
    5,172,131.86x = 38,675,198,812,700.20
  5. Step 5: Solve for x
    x = 38,675,198,812,700.20/5,172,131.86
  6. Step 6: Final answer
    x = 7,477,612.69

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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.