Home / 20,029,179.29-30,043,442.88-6,382,141.38

Finding the Fourth Proportional to 20,029,179.29, 30,043,442.88 and 6,382,141.38

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Solution

The fourth proportional to 20,029,179.29, 30,043,442.88 and 6,382,141.38 is: 9,573,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,179.29 : 30,043,442.88 = 6,382,141.38 : x
  2. Step 2: Convert to fraction form
    20,029,179.29/30,043,442.88 = 6,382,141.38/x
  3. Step 3: Cross multiply
    20,029,179.29x = 30,043,442.88 × 6,382,141.38
  4. Step 4: Simplify right side
    20,029,179.29x = 191,741,500,002,114.38
  5. Step 5: Solve for x
    x = 191,741,500,002,114.38/20,029,179.29
  6. Step 6: Final answer
    x = 9,573,108.18

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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.