Home / 18,969,939.62-28,459,436.28-6,190,468.10

Finding the Fourth Proportional to 18,969,939.62, 28,459,436.28 and 6,190,468.10

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Solution

The fourth proportional to 18,969,939.62, 28,459,436.28 and 6,190,468.10 is: 9,287,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969,939.62 : 28,459,436.28 = 6,190,468.10 : x
  2. Step 2: Convert to fraction form
    18,969,939.62/28,459,436.28 = 6,190,468.10/x
  3. Step 3: Cross multiply
    18,969,939.62x = 28,459,436.28 × 6,190,468.10
  4. Step 4: Simplify right side
    18,969,939.62x = 176,177,232,435,322.66
  5. Step 5: Solve for x
    x = 176,177,232,435,322.66/18,969,939.62
  6. Step 6: Final answer
    x = 9,287,179.40

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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.