Home / 12,370,152.28-18,536,290.20-5,177,770.24

Finding the Fourth Proportional to 12,370,152.28, 18,536,290.20 and 5,177,770.24

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Solution

The fourth proportional to 12,370,152.28, 18,536,290.20 and 5,177,770.24 is: 7,758,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370,152.28 : 18,536,290.20 = 5,177,770.24 : x
  2. Step 2: Convert to fraction form
    12,370,152.28/18,536,290.20 = 5,177,770.24/x
  3. Step 3: Cross multiply
    12,370,152.28x = 18,536,290.20 × 5,177,770.24
  4. Step 4: Simplify right side
    12,370,152.28x = 95,976,651,757,563.64
  5. Step 5: Solve for x
    x = 95,976,651,757,563.64/12,370,152.28
  6. Step 6: Final answer
    x = 7,758,728.40

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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.