Home / 8,071,378.38-12,107,111.36-2,391,651.90

Finding the Fourth Proportional to 8,071,378.38, 12,107,111.36 and 2,391,651.90

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Solution

The fourth proportional to 8,071,378.38, 12,107,111.36 and 2,391,651.90 is: 3,587,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,378.38 : 12,107,111.36 = 2,391,651.90 : x
  2. Step 2: Convert to fraction form
    8,071,378.38/12,107,111.36 = 2,391,651.90/x
  3. Step 3: Cross multiply
    8,071,378.38x = 12,107,111.36 × 2,391,651.90
  4. Step 4: Simplify right side
    8,071,378.38x = 28,955,995,875,697.32
  5. Step 5: Solve for x
    x = 28,955,995,875,697.32/8,071,378.38
  6. Step 6: Final answer
    x = 3,587,490.82

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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.