Home / 14,165,655.30-21,199,494.15-8,489,952.90

Finding the Fourth Proportional to 14,165,655.30, 21,199,494.15 and 8,489,952.90

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Solution

The fourth proportional to 14,165,655.30, 21,199,494.15 and 8,489,952.90 is: 12,705,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165,655.30 : 21,199,494.15 = 8,489,952.90 : x
  2. Step 2: Convert to fraction form
    14,165,655.30/21,199,494.15 = 8,489,952.90/x
  3. Step 3: Cross multiply
    14,165,655.30x = 21,199,494.15 × 8,489,952.90
  4. Step 4: Simplify right side
    14,165,655.30x = 179,982,706,837,325.53
  5. Step 5: Solve for x
    x = 179,982,706,837,325.53/14,165,655.30
  6. Step 6: Final answer
    x = 12,705,568.72

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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.