Home / 10,555,693.20-15,814,877.40-9,361,299.60

Finding the Fourth Proportional to 10,555,693.20, 15,814,877.40 and 9,361,299.60

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Solution

The fourth proportional to 10,555,693.20, 15,814,877.40 and 9,361,299.60 is: 14,025,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555,693.20 : 15,814,877.40 = 9,361,299.60 : x
  2. Step 2: Convert to fraction form
    10,555,693.20/15,814,877.40 = 9,361,299.60/x
  3. Step 3: Cross multiply
    10,555,693.20x = 15,814,877.40 × 9,361,299.60
  4. Step 4: Simplify right side
    10,555,693.20x = 148,047,805,478,669.03
  5. Step 5: Solve for x
    x = 148,047,805,478,669.03/10,555,693.20
  6. Step 6: Final answer
    x = 14,025,398.68

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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.