Home / 13,643,676.27-20,454,718.72-5,123,063.79

Finding the Fourth Proportional to 13,643,676.27, 20,454,718.72 and 5,123,063.79

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Solution

The fourth proportional to 13,643,676.27, 20,454,718.72 and 5,123,063.79 is: 7,680,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,676.27 : 20,454,718.72 = 5,123,063.79 : x
  2. Step 2: Convert to fraction form
    13,643,676.27/20,454,718.72 = 5,123,063.79/x
  3. Step 3: Cross multiply
    13,643,676.27x = 20,454,718.72 × 5,123,063.79
  4. Step 4: Simplify right side
    13,643,676.27x = 104,790,828,693,985.91
  5. Step 5: Solve for x
    x = 104,790,828,693,985.91/13,643,676.27
  6. Step 6: Final answer
    x = 7,680,542.01

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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.