Home / 10,512,065.60-15,768,098.40-8,386,301.60

Finding the Fourth Proportional to 10,512,065.60, 15,768,098.40 and 8,386,301.60

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Solution

The fourth proportional to 10,512,065.60, 15,768,098.40 and 8,386,301.60 is: 12,579,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,065.60 : 15,768,098.40 = 8,386,301.60 : x
  2. Step 2: Convert to fraction form
    10,512,065.60/15,768,098.40 = 8,386,301.60/x
  3. Step 3: Cross multiply
    10,512,065.60x = 15,768,098.40 × 8,386,301.60
  4. Step 4: Simplify right side
    10,512,065.60x = 132,236,028,840,877.44
  5. Step 5: Solve for x
    x = 132,236,028,840,877.44/10,512,065.60
  6. Step 6: Final answer
    x = 12,579,452.40

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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.