Home / 20,585,048.20-30,877,572.30-20,231,153.80

Finding the Fourth Proportional to 20,585,048.20, 30,877,572.30 and 20,231,153.80

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Solution

The fourth proportional to 20,585,048.20, 30,877,572.30 and 20,231,153.80 is: 30,346,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585,048.20 : 30,877,572.30 = 20,231,153.80 : x
  2. Step 2: Convert to fraction form
    20,585,048.20/30,877,572.30 = 20,231,153.80/x
  3. Step 3: Cross multiply
    20,585,048.20x = 30,877,572.30 × 20,231,153.80
  4. Step 4: Simplify right side
    20,585,048.20x = 624,688,914,171,919.75
  5. Step 5: Solve for x
    x = 624,688,914,171,919.75/20,585,048.20
  6. Step 6: Final answer
    x = 30,346,730.70

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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.