Home / 5,329,512.20-7,357,128.66-3,398,368.52

Finding the Fourth Proportional to 5,329,512.20, 7,357,128.66 and 3,398,368.52

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Solution

The fourth proportional to 5,329,512.20, 7,357,128.66 and 3,398,368.52 is: 4,691,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,512.20 : 7,357,128.66 = 3,398,368.52 : x
  2. Step 2: Convert to fraction form
    5,329,512.20/7,357,128.66 = 3,398,368.52/x
  3. Step 3: Cross multiply
    5,329,512.20x = 7,357,128.66 × 3,398,368.52
  4. Step 4: Simplify right side
    5,329,512.20x = 25,002,234,435,733.79
  5. Step 5: Solve for x
    x = 25,002,234,435,733.79/5,329,512.20
  6. Step 6: Final answer
    x = 4,691,280.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.