Home / 20,178,202.80-30,267,304.20-14,013,487.20

Finding the Fourth Proportional to 20,178,202.80, 30,267,304.20 and 14,013,487.20

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Solution

The fourth proportional to 20,178,202.80, 30,267,304.20 and 14,013,487.20 is: 21,020,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,202.80 : 30,267,304.20 = 14,013,487.20 : x
  2. Step 2: Convert to fraction form
    20,178,202.80/30,267,304.20 = 14,013,487.20/x
  3. Step 3: Cross multiply
    20,178,202.80x = 30,267,304.20 × 14,013,487.20
  4. Step 4: Simplify right side
    20,178,202.80x = 424,150,479,985,206.19
  5. Step 5: Solve for x
    x = 424,150,479,985,206.19/20,178,202.80
  6. Step 6: Final answer
    x = 21,020,230.80

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1.5x scale

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.