Home / 13,532,816.80-20,299,225.20-3,949,164.10

Finding the Fourth Proportional to 13,532,816.80, 20,299,225.20 and 3,949,164.10

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Solution

The fourth proportional to 13,532,816.80, 20,299,225.20 and 3,949,164.10 is: 5,923,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,816.80 : 20,299,225.20 = 3,949,164.10 : x
  2. Step 2: Convert to fraction form
    13,532,816.80/20,299,225.20 = 3,949,164.10/x
  3. Step 3: Cross multiply
    13,532,816.80x = 20,299,225.20 × 3,949,164.10
  4. Step 4: Simplify right side
    13,532,816.80x = 80,164,971,417,655.31
  5. Step 5: Solve for x
    x = 80,164,971,417,655.31/13,532,816.80
  6. Step 6: Final answer
    x = 5,923,746.15

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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.