Home / 20,725,373.80-31,088,060.70-7,260,797.80

Finding the Fourth Proportional to 20,725,373.80, 31,088,060.70 and 7,260,797.80

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Solution

The fourth proportional to 20,725,373.80, 31,088,060.70 and 7,260,797.80 is: 10,891,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725,373.80 : 31,088,060.70 = 7,260,797.80 : x
  2. Step 2: Convert to fraction form
    20,725,373.80/31,088,060.70 = 7,260,797.80/x
  3. Step 3: Cross multiply
    20,725,373.80x = 31,088,060.70 × 7,260,797.80
  4. Step 4: Simplify right side
    20,725,373.80x = 225,724,122,736,826.44
  5. Step 5: Solve for x
    x = 225,724,122,736,826.44/20,725,373.80
  6. Step 6: Final answer
    x = 10,891,196.70

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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.