Home / 28,040,800.80-42,061,201.20-15,905,575.20

Finding the Fourth Proportional to 28,040,800.80, 42,061,201.20 and 15,905,575.20

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Solution

The fourth proportional to 28,040,800.80, 42,061,201.20 and 15,905,575.20 is: 23,858,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,800.80 : 42,061,201.20 = 15,905,575.20 : x
  2. Step 2: Convert to fraction form
    28,040,800.80/42,061,201.20 = 15,905,575.20/x
  3. Step 3: Cross multiply
    28,040,800.80x = 42,061,201.20 × 15,905,575.20
  4. Step 4: Simplify right side
    28,040,800.80x = 669,007,598,688,930.25
  5. Step 5: Solve for x
    x = 669,007,598,688,930.25/28,040,800.80
  6. Step 6: Final answer
    x = 23,858,362.80

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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.