Home / 20,136,470.20-30,224,366.10-10,050,479.80

Finding the Fourth Proportional to 20,136,470.20, 30,224,366.10 and 10,050,479.80

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Solution

The fourth proportional to 20,136,470.20, 30,224,366.10 and 10,050,479.80 is: 15,085,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,470.20 : 30,224,366.10 = 10,050,479.80 : x
  2. Step 2: Convert to fraction form
    20,136,470.20/30,224,366.10 = 10,050,479.80/x
  3. Step 3: Cross multiply
    20,136,470.20x = 30,224,366.10 × 10,050,479.80
  4. Step 4: Simplify right side
    20,136,470.20x = 303,769,380,955,854.81
  5. Step 5: Solve for x
    x = 303,769,380,955,854.81/20,136,470.20
  6. Step 6: Final answer
    x = 15,085,532.76

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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.