Home / 21,433,691.30-29,577,811.65-12,266,137.22

Finding the Fourth Proportional to 21,433,691.30, 29,577,811.65 and 12,266,137.22

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Solution

The fourth proportional to 21,433,691.30, 29,577,811.65 and 12,266,137.22 is: 16,926,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433,691.30 : 29,577,811.65 = 12,266,137.22 : x
  2. Step 2: Convert to fraction form
    21,433,691.30/29,577,811.65 = 12,266,137.22/x
  3. Step 3: Cross multiply
    21,433,691.30x = 29,577,811.65 × 12,266,137.22
  4. Step 4: Simplify right side
    21,433,691.30x = 362,805,496,366,214.62
  5. Step 5: Solve for x
    x = 362,805,496,366,214.62/21,433,691.30
  6. Step 6: Final answer
    x = 16,926,878.87

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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.