Home / 8,123,432.10-11,211,571.42-5,184,517.20

Finding the Fourth Proportional to 8,123,432.10, 11,211,571.42 and 5,184,517.20

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Solution

The fourth proportional to 8,123,432.10, 11,211,571.42 and 5,184,517.20 is: 7,155,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,432.10 : 11,211,571.42 = 5,184,517.20 : x
  2. Step 2: Convert to fraction form
    8,123,432.10/11,211,571.42 = 5,184,517.20/x
  3. Step 3: Cross multiply
    8,123,432.10x = 11,211,571.42 × 5,184,517.20
  4. Step 4: Simplify right side
    8,123,432.10x = 58,126,584,866,018.42
  5. Step 5: Solve for x
    x = 58,126,584,866,018.42/8,123,432.10
  6. Step 6: Final answer
    x = 7,155,422.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.