Home / 10,430,772.40-15,646,158.60-8,856,132.40

Finding the Fourth Proportional to 10,430,772.40, 15,646,158.60 and 8,856,132.40

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Solution

The fourth proportional to 10,430,772.40, 15,646,158.60 and 8,856,132.40 is: 13,284,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,772.40 : 15,646,158.60 = 8,856,132.40 : x
  2. Step 2: Convert to fraction form
    10,430,772.40/15,646,158.60 = 8,856,132.40/x
  3. Step 3: Cross multiply
    10,430,772.40x = 15,646,158.60 × 8,856,132.40
  4. Step 4: Simplify right side
    10,430,772.40x = 138,564,452,112,998.64
  5. Step 5: Solve for x
    x = 138,564,452,112,998.64/10,430,772.40
  6. Step 6: Final answer
    x = 13,284,198.60

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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.