Home / 20,725,423.80-31,088,135.70-7,260,847.80

Finding the Fourth Proportional to 20,725,423.80, 31,088,135.70 and 7,260,847.80

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Solution

The fourth proportional to 20,725,423.80, 31,088,135.70 and 7,260,847.80 is: 10,891,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725,423.80 : 31,088,135.70 = 7,260,847.80 : x
  2. Step 2: Convert to fraction form
    20,725,423.80/31,088,135.70 = 7,260,847.80/x
  3. Step 3: Cross multiply
    20,725,423.80x = 31,088,135.70 × 7,260,847.80
  4. Step 4: Simplify right side
    20,725,423.80x = 225,726,221,703,446.44
  5. Step 5: Solve for x
    x = 225,726,221,703,446.44/20,725,423.80
  6. Step 6: Final answer
    x = 10,891,271.70

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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.