Home / 13,486,772.70-20,230,159.05-4,965,345.90

Finding the Fourth Proportional to 13,486,772.70, 20,230,159.05 and 4,965,345.90

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Solution

The fourth proportional to 13,486,772.70, 20,230,159.05 and 4,965,345.90 is: 7,448,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,772.70 : 20,230,159.05 = 4,965,345.90 : x
  2. Step 2: Convert to fraction form
    13,486,772.70/20,230,159.05 = 4,965,345.90/x
  3. Step 3: Cross multiply
    13,486,772.70x = 20,230,159.05 × 4,965,345.90
  4. Step 4: Simplify right side
    13,486,772.70x = 100,449,737,295,265.41
  5. Step 5: Solve for x
    x = 100,449,737,295,265.41/13,486,772.70
  6. Step 6: Final answer
    x = 7,448,018.85

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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.