Home / 15,202,391.10-22,771,791.45-7,122,263.10

Finding the Fourth Proportional to 15,202,391.10, 22,771,791.45 and 7,122,263.10

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Solution

The fourth proportional to 15,202,391.10, 22,771,791.45 and 7,122,263.10 is: 10,668,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,391.10 : 22,771,791.45 = 7,122,263.10 : x
  2. Step 2: Convert to fraction form
    15,202,391.10/22,771,791.45 = 7,122,263.10/x
  3. Step 3: Cross multiply
    15,202,391.10x = 22,771,791.45 × 7,122,263.10
  4. Step 4: Simplify right side
    15,202,391.10x = 162,186,689,965,230.47
  5. Step 5: Solve for x
    x = 162,186,689,965,230.47/15,202,391.10
  6. Step 6: Final answer
    x = 10,668,498.72

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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.