Home / 15,202,419.10-22,771,833.45-7,122,291.10

Finding the Fourth Proportional to 15,202,419.10, 22,771,833.45 and 7,122,291.10

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Solution

The fourth proportional to 15,202,419.10, 22,771,833.45 and 7,122,291.10 is: 10,668,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,419.10 : 22,771,833.45 = 7,122,291.10 : x
  2. Step 2: Convert to fraction form
    15,202,419.10/22,771,833.45 = 7,122,291.10/x
  3. Step 3: Cross multiply
    15,202,419.10x = 22,771,833.45 × 7,122,291.10
  4. Step 4: Simplify right side
    15,202,419.10x = 162,187,626,711,617.28
  5. Step 5: Solve for x
    x = 162,187,626,711,617.28/15,202,419.10
  6. Step 6: Final answer
    x = 10,668,540.69

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1.5x scale

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.