Home / 10,292,556.60-15,438,834.90-10,115,609.40

Finding the Fourth Proportional to 10,292,556.60, 15,438,834.90 and 10,115,609.40

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Solution

The fourth proportional to 10,292,556.60, 15,438,834.90 and 10,115,609.40 is: 15,173,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292,556.60 : 15,438,834.90 = 10,115,609.40 : x
  2. Step 2: Convert to fraction form
    10,292,556.60/15,438,834.90 = 10,115,609.40/x
  3. Step 3: Cross multiply
    10,292,556.60x = 15,438,834.90 × 10,115,609.40
  4. Step 4: Simplify right side
    10,292,556.60x = 156,173,223,439,488.06
  5. Step 5: Solve for x
    x = 156,173,223,439,488.06/10,292,556.60
  6. Step 6: Final answer
    x = 15,173,414.10

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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.