Home / 10,292,523.60-15,438,785.40-10,115,576.40

Finding the Fourth Proportional to 10,292,523.60, 15,438,785.40 and 10,115,576.40

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Solution

The fourth proportional to 10,292,523.60, 15,438,785.40 and 10,115,576.40 is: 15,173,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292,523.60 : 15,438,785.40 = 10,115,576.40 : x
  2. Step 2: Convert to fraction form
    10,292,523.60/15,438,785.40 = 10,115,576.40/x
  3. Step 3: Cross multiply
    10,292,523.60x = 15,438,785.40 × 10,115,576.40
  4. Step 4: Simplify right side
    10,292,523.60x = 156,172,213,236,904.56
  5. Step 5: Solve for x
    x = 156,172,213,236,904.56/10,292,523.60
  6. Step 6: Final answer
    x = 15,173,364.60

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Similar ratio
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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.