Home / 7,762,758.38-10,712,679.83-4,278,224.61

Finding the Fourth Proportional to 7,762,758.38, 10,712,679.83 and 4,278,224.61

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Solution

The fourth proportional to 7,762,758.38, 10,712,679.83 and 4,278,224.61 is: 5,903,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762,758.38 : 10,712,679.83 = 4,278,224.61 : x
  2. Step 2: Convert to fraction form
    7,762,758.38/10,712,679.83 = 4,278,224.61/x
  3. Step 3: Cross multiply
    7,762,758.38x = 10,712,679.83 × 4,278,224.61
  4. Step 4: Simplify right side
    7,762,758.38x = 45,831,250,456,780.91
  5. Step 5: Solve for x
    x = 45,831,250,456,780.91/7,762,758.38
  6. Step 6: Final answer
    x = 5,903,990.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.