Home / 17,721,115.90-26,585,577.90-5,425,172.24

Finding the Fourth Proportional to 17,721,115.90, 26,585,577.90 and 5,425,172.24

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Solution

The fourth proportional to 17,721,115.90, 26,585,577.90 and 5,425,172.24 is: 8,138,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721,115.90 : 26,585,577.90 = 5,425,172.24 : x
  2. Step 2: Convert to fraction form
    17,721,115.90/26,585,577.90 = 5,425,172.24/x
  3. Step 3: Cross multiply
    17,721,115.90x = 26,585,577.90 × 5,425,172.24
  4. Step 4: Simplify right side
    17,721,115.90x = 144,231,339,074,509.59
  5. Step 5: Solve for x
    x = 144,231,339,074,509.59/17,721,115.90
  6. Step 6: Final answer
    x = 8,138,953.55

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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.