Home / 10,080,320.60-15,120,480.90-3,690,781.40

Finding the Fourth Proportional to 10,080,320.60, 15,120,480.90 and 3,690,781.40

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Solution

The fourth proportional to 10,080,320.60, 15,120,480.90 and 3,690,781.40 is: 5,536,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,320.60 : 15,120,480.90 = 3,690,781.40 : x
  2. Step 2: Convert to fraction form
    10,080,320.60/15,120,480.90 = 3,690,781.40/x
  3. Step 3: Cross multiply
    10,080,320.60x = 15,120,480.90 × 3,690,781.40
  4. Step 4: Simplify right side
    10,080,320.60x = 55,806,389,664,775.26
  5. Step 5: Solve for x
    x = 55,806,389,664,775.26/10,080,320.60
  6. Step 6: Final answer
    x = 5,536,172.10

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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.