Home / 9,125,115.18-12,591,861-5,403,278.50

Finding the Fourth Proportional to 9,125,115.18, 12,591,861 and 5,403,278.50

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Solution

The fourth proportional to 9,125,115.18, 12,591,861 and 5,403,278.50 is: 7,456,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125,115.18 : 12,591,861 = 5,403,278.50 : x
  2. Step 2: Convert to fraction form
    9,125,115.18/12,591,861 = 5,403,278.50/x
  3. Step 3: Cross multiply
    9,125,115.18x = 12,591,861 × 5,403,278.50
  4. Step 4: Simplify right side
    9,125,115.18x = 68,037,331,816,288.50
  5. Step 5: Solve for x
    x = 68,037,331,816,288.50/9,125,115.18
  6. Step 6: Final answer
    x = 7,456,051.84

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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.