Home / 8,187,649.20-12,281,473.80-6,298,081.20

Finding the Fourth Proportional to 8,187,649.20, 12,281,473.80 and 6,298,081.20

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Solution

The fourth proportional to 8,187,649.20, 12,281,473.80 and 6,298,081.20 is: 9,447,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,649.20 : 12,281,473.80 = 6,298,081.20 : x
  2. Step 2: Convert to fraction form
    8,187,649.20/12,281,473.80 = 6,298,081.20/x
  3. Step 3: Cross multiply
    8,187,649.20x = 12,281,473.80 × 6,298,081.20
  4. Step 4: Simplify right side
    8,187,649.20x = 77,349,719,248,072.56
  5. Step 5: Solve for x
    x = 77,349,719,248,072.56/8,187,649.20
  6. Step 6: Final answer
    x = 9,447,121.80

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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.