Home / 15,548,395.20-23,322,592.80-7,990,123.20

Finding the Fourth Proportional to 15,548,395.20, 23,322,592.80 and 7,990,123.20

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Solution

The fourth proportional to 15,548,395.20, 23,322,592.80 and 7,990,123.20 is: 11,985,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548,395.20 : 23,322,592.80 = 7,990,123.20 : x
  2. Step 2: Convert to fraction form
    15,548,395.20/23,322,592.80 = 7,990,123.20/x
  3. Step 3: Cross multiply
    15,548,395.20x = 23,322,592.80 × 7,990,123.20
  4. Step 4: Simplify right side
    15,548,395.20x = 186,350,389,815,432.97
  5. Step 5: Solve for x
    x = 186,350,389,815,432.97/15,548,395.20
  6. Step 6: Final answer
    x = 11,985,184.80

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1.5x scale

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.