Home / 6,172,129.76-8,517,442.36-3,381,230.71

Finding the Fourth Proportional to 6,172,129.76, 8,517,442.36 and 3,381,230.71

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Solution

The fourth proportional to 6,172,129.76, 8,517,442.36 and 3,381,230.71 is: 4,666,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,129.76 : 8,517,442.36 = 3,381,230.71 : x
  2. Step 2: Convert to fraction form
    6,172,129.76/8,517,442.36 = 3,381,230.71/x
  3. Step 3: Cross multiply
    6,172,129.76x = 8,517,442.36 × 3,381,230.71
  4. Step 4: Simplify right side
    6,172,129.76x = 28,799,437,710,775.71
  5. Step 5: Solve for x
    x = 28,799,437,710,775.71/6,172,129.76
  6. Step 6: Final answer
    x = 4,666,045.41

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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.