Home / 8,167,519.80-12,251,279.70-6,892,061.40

Finding the Fourth Proportional to 8,167,519.80, 12,251,279.70 and 6,892,061.40

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Solution

The fourth proportional to 8,167,519.80, 12,251,279.70 and 6,892,061.40 is: 10,338,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,519.80 : 12,251,279.70 = 6,892,061.40 : x
  2. Step 2: Convert to fraction form
    8,167,519.80/12,251,279.70 = 6,892,061.40/x
  3. Step 3: Cross multiply
    8,167,519.80x = 12,251,279.70 × 6,892,061.40
  4. Step 4: Simplify right side
    8,167,519.80x = 84,436,571,920,973.58
  5. Step 5: Solve for x
    x = 84,436,571,920,973.58/8,167,519.80
  6. Step 6: Final answer
    x = 10,338,092.10

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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.