Home / 10,513,101.60-15,769,652.40-9,451,418.40

Finding the Fourth Proportional to 10,513,101.60, 15,769,652.40 and 9,451,418.40

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Solution

The fourth proportional to 10,513,101.60, 15,769,652.40 and 9,451,418.40 is: 14,177,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,101.60 : 15,769,652.40 = 9,451,418.40 : x
  2. Step 2: Convert to fraction form
    10,513,101.60/15,769,652.40 = 9,451,418.40/x
  3. Step 3: Cross multiply
    10,513,101.60x = 15,769,652.40 × 9,451,418.40
  4. Step 4: Simplify right side
    10,513,101.60x = 149,045,582,854,964.16
  5. Step 5: Solve for x
    x = 149,045,582,854,964.16/10,513,101.60
  6. Step 6: Final answer
    x = 14,177,127.60

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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.