Home / 21,367,401.54-29,487,116.80-11,577,843.16

Finding the Fourth Proportional to 21,367,401.54, 29,487,116.80 and 11,577,843.16

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Solution

The fourth proportional to 21,367,401.54, 29,487,116.80 and 11,577,843.16 is: 15,977,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,401.54 : 29,487,116.80 = 11,577,843.16 : x
  2. Step 2: Convert to fraction form
    21,367,401.54/29,487,116.80 = 11,577,843.16/x
  3. Step 3: Cross multiply
    21,367,401.54x = 29,487,116.80 × 11,577,843.16
  4. Step 4: Simplify right side
    21,367,401.54x = 341,397,213,551,001.12
  5. Step 5: Solve for x
    x = 341,397,213,551,001.12/21,367,401.54
  6. Step 6: Final answer
    x = 15,977,479.19

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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.