Home / 28,327,144.60-42,434,729.70-15,524,738.20

Finding the Fourth Proportional to 28,327,144.60, 42,434,729.70 and 15,524,738.20

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Solution

The fourth proportional to 28,327,144.60, 42,434,729.70 and 15,524,738.20 is: 23,256,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327,144.60 : 42,434,729.70 = 15,524,738.20 : x
  2. Step 2: Convert to fraction form
    28,327,144.60/42,434,729.70 = 15,524,738.20/x
  3. Step 3: Cross multiply
    28,327,144.60x = 42,434,729.70 × 15,524,738.20
  4. Step 4: Simplify right side
    28,327,144.60x = 658,788,069,180,264.50
  5. Step 5: Solve for x
    x = 658,788,069,180,264.50/28,327,144.60
  6. Step 6: Final answer
    x = 23,256,423.42

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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.