Home / 15,442,426.26-21,291,158.42-11,305,275.02

Finding the Fourth Proportional to 15,442,426.26, 21,291,158.42 and 11,305,275.02

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Solution

The fourth proportional to 15,442,426.26, 21,291,158.42 and 11,305,275.02 is: 15,587,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,426.26 : 21,291,158.42 = 11,305,275.02 : x
  2. Step 2: Convert to fraction form
    15,442,426.26/21,291,158.42 = 11,305,275.02/x
  3. Step 3: Cross multiply
    15,442,426.26x = 21,291,158.42 × 11,305,275.02
  4. Step 4: Simplify right side
    15,442,426.26x = 240,702,401,391,743.12
  5. Step 5: Solve for x
    x = 240,702,401,391,743.12/15,442,426.26
  6. Step 6: Final answer
    x = 15,587,084.40

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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.