Home / 13,479,619.80-20,177,439.30-9,700,483.80

Finding the Fourth Proportional to 13,479,619.80, 20,177,439.30 and 9,700,483.80

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Solution

The fourth proportional to 13,479,619.80, 20,177,439.30 and 9,700,483.80 is: 14,520,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,619.80 : 20,177,439.30 = 9,700,483.80 : x
  2. Step 2: Convert to fraction form
    13,479,619.80/20,177,439.30 = 9,700,483.80/x
  3. Step 3: Cross multiply
    13,479,619.80x = 20,177,439.30 × 9,700,483.80
  4. Step 4: Simplify right side
    13,479,619.80x = 195,730,923,055,133.38
  5. Step 5: Solve for x
    x = 195,730,923,055,133.38/13,479,619.80
  6. Step 6: Final answer
    x = 14,520,507.70

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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.