Home / 10,431,037.60-15,646,556.40-7,242,391.60

Finding the Fourth Proportional to 10,431,037.60, 15,646,556.40 and 7,242,391.60

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Solution

The fourth proportional to 10,431,037.60, 15,646,556.40 and 7,242,391.60 is: 10,863,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,037.60 : 15,646,556.40 = 7,242,391.60 : x
  2. Step 2: Convert to fraction form
    10,431,037.60/15,646,556.40 = 7,242,391.60/x
  3. Step 3: Cross multiply
    10,431,037.60x = 15,646,556.40 × 7,242,391.60
  4. Step 4: Simplify right side
    10,431,037.60x = 113,318,488,640,286.23
  5. Step 5: Solve for x
    x = 113,318,488,640,286.23/10,431,037.60
  6. Step 6: Final answer
    x = 10,863,587.40

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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.