Home / 20,186,200.65-30,279,300.98-9,424,520.40

Finding the Fourth Proportional to 20,186,200.65, 30,279,300.98 and 9,424,520.40

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Solution

The fourth proportional to 20,186,200.65, 30,279,300.98 and 9,424,520.40 is: 14,136,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,200.65 : 30,279,300.98 = 9,424,520.40 : x
  2. Step 2: Convert to fraction form
    20,186,200.65/30,279,300.98 = 9,424,520.40/x
  3. Step 3: Cross multiply
    20,186,200.65x = 30,279,300.98 × 9,424,520.40
  4. Step 4: Simplify right side
    20,186,200.65x = 285,367,889,736,627.44
  5. Step 5: Solve for x
    x = 285,367,889,736,627.44/20,186,200.65
  6. Step 6: Final answer
    x = 14,136,780.60

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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.