Home / 20,143,554.30-30,215,331.45-6,680,382.30

Finding the Fourth Proportional to 20,143,554.30, 30,215,331.45 and 6,680,382.30

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Solution

The fourth proportional to 20,143,554.30, 30,215,331.45 and 6,680,382.30 is: 10,020,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,554.30 : 30,215,331.45 = 6,680,382.30 : x
  2. Step 2: Convert to fraction form
    20,143,554.30/30,215,331.45 = 6,680,382.30/x
  3. Step 3: Cross multiply
    20,143,554.30x = 30,215,331.45 × 6,680,382.30
  4. Step 4: Simplify right side
    20,143,554.30x = 201,849,965,407,213.31
  5. Step 5: Solve for x
    x = 201,849,965,407,213.31/20,143,554.30
  6. Step 6: Final answer
    x = 10,020,573.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.