Home / 10,222,465.10-15,320,672.85-5,432,449.10

Finding the Fourth Proportional to 10,222,465.10, 15,320,672.85 and 5,432,449.10

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Solution

The fourth proportional to 10,222,465.10, 15,320,672.85 and 5,432,449.10 is: 8,141,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222,465.10 : 15,320,672.85 = 5,432,449.10 : x
  2. Step 2: Convert to fraction form
    10,222,465.10/15,320,672.85 = 5,432,449.10/x
  3. Step 3: Cross multiply
    10,222,465.10x = 15,320,672.85 × 5,432,449.10
  4. Step 4: Simplify right side
    10,222,465.10x = 83,228,775,435,376.92
  5. Step 5: Solve for x
    x = 83,228,775,435,376.92/10,222,465.10
  6. Step 6: Final answer
    x = 8,141,751.98

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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.