Home / 18,432,767.80-27,649,151.70-5,655,244.60

Finding the Fourth Proportional to 18,432,767.80, 27,649,151.70 and 5,655,244.60

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Solution

The fourth proportional to 18,432,767.80, 27,649,151.70 and 5,655,244.60 is: 8,482,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,767.80 : 27,649,151.70 = 5,655,244.60 : x
  2. Step 2: Convert to fraction form
    18,432,767.80/27,649,151.70 = 5,655,244.60/x
  3. Step 3: Cross multiply
    18,432,767.80x = 27,649,151.70 × 5,655,244.60
  4. Step 4: Simplify right side
    18,432,767.80x = 156,362,715,846,005.81
  5. Step 5: Solve for x
    x = 156,362,715,846,005.81/18,432,767.80
  6. Step 6: Final answer
    x = 8,482,866.90

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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.