Home / 13,815,013.04-20,722,569.78-4,230,352.70

Finding the Fourth Proportional to 13,815,013.04, 20,722,569.78 and 4,230,352.70

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Solution

The fourth proportional to 13,815,013.04, 20,722,569.78 and 4,230,352.70 is: 6,345,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,013.04 : 20,722,569.78 = 4,230,352.70 : x
  2. Step 2: Convert to fraction form
    13,815,013.04/20,722,569.78 = 4,230,352.70/x
  3. Step 3: Cross multiply
    13,815,013.04x = 20,722,569.78 × 4,230,352.70
  4. Step 4: Simplify right side
    13,815,013.04x = 87,663,779,019,761.42
  5. Step 5: Solve for x
    x = 87,663,779,019,761.42/13,815,013.04
  6. Step 6: Final answer
    x = 6,345,544.43

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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.