Home / 20,186,200.90-30,279,301.35-9,424,520.65

Finding the Fourth Proportional to 20,186,200.90, 30,279,301.35 and 9,424,520.65

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Solution

The fourth proportional to 20,186,200.90, 30,279,301.35 and 9,424,520.65 is: 14,136,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,200.90 : 30,279,301.35 = 9,424,520.65 : x
  2. Step 2: Convert to fraction form
    20,186,200.90/30,279,301.35 = 9,424,520.65/x
  3. Step 3: Cross multiply
    20,186,200.90x = 30,279,301.35 × 9,424,520.65
  4. Step 4: Simplify right side
    20,186,200.90x = 285,367,900,840,647.88
  5. Step 5: Solve for x
    x = 285,367,900,840,647.88/20,186,200.90
  6. Step 6: Final answer
    x = 14,136,780.98

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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.