Home / 20,178,212.80-30,267,319.20-14,013,497.20

Finding the Fourth Proportional to 20,178,212.80, 30,267,319.20 and 14,013,497.20

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Solution

The fourth proportional to 20,178,212.80, 30,267,319.20 and 14,013,497.20 is: 21,020,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,212.80 : 30,267,319.20 = 14,013,497.20 : x
  2. Step 2: Convert to fraction form
    20,178,212.80/30,267,319.20 = 14,013,497.20/x
  3. Step 3: Cross multiply
    20,178,212.80x = 30,267,319.20 × 14,013,497.20
  4. Step 4: Simplify right side
    20,178,212.80x = 424,150,992,860,706.19
  5. Step 5: Solve for x
    x = 424,150,992,860,706.19/20,178,212.80
  6. Step 6: Final answer
    x = 21,020,245.80

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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.