Home / 20,178,115.04-30,267,205.32-16,160,158.64

Finding the Fourth Proportional to 20,178,115.04, 30,267,205.32 and 16,160,158.64

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Solution

The fourth proportional to 20,178,115.04, 30,267,205.32 and 16,160,158.64 is: 24,240,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,115.04 : 30,267,205.32 = 16,160,158.64 : x
  2. Step 2: Convert to fraction form
    20,178,115.04/30,267,205.32 = 16,160,158.64/x
  3. Step 3: Cross multiply
    20,178,115.04x = 30,267,205.32 × 16,160,158.64
  4. Step 4: Simplify right side
    20,178,115.04x = 489,122,839,560,652
  5. Step 5: Solve for x
    x = 489,122,839,560,652/20,178,115.04
  6. Step 6: Final answer
    x = 24,240,264.20

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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.