Home / 10,989,478.40-16,480,843.68-7,599,549.20

Finding the Fourth Proportional to 10,989,478.40, 16,480,843.68 and 7,599,549.20

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Solution

The fourth proportional to 10,989,478.40, 16,480,843.68 and 7,599,549.20 is: 11,396,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,478.40 : 16,480,843.68 = 7,599,549.20 : x
  2. Step 2: Convert to fraction form
    10,989,478.40/16,480,843.68 = 7,599,549.20/x
  3. Step 3: Cross multiply
    10,989,478.40x = 16,480,843.68 × 7,599,549.20
  4. Step 4: Simplify right side
    10,989,478.40x = 125,246,982,403,669.06
  5. Step 5: Solve for x
    x = 125,246,982,403,669.06/10,989,478.40
  6. Step 6: Final answer
    x = 11,396,990.63

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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.