Home / 21,367,399.55-29,487,114.05-11,577,841.16

Finding the Fourth Proportional to 21,367,399.55, 29,487,114.05 and 11,577,841.16

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Solution

The fourth proportional to 21,367,399.55, 29,487,114.05 and 11,577,841.16 is: 15,977,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,399.55 : 29,487,114.05 = 11,577,841.16 : x
  2. Step 2: Convert to fraction form
    21,367,399.55/29,487,114.05 = 11,577,841.16/x
  3. Step 3: Cross multiply
    21,367,399.55x = 29,487,114.05 × 11,577,841.16
  4. Step 4: Simplify right side
    21,367,399.55x = 341,397,122,532,379.50
  5. Step 5: Solve for x
    x = 341,397,122,532,379.50/21,367,399.55
  6. Step 6: Final answer
    x = 15,977,476.43

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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.