Home / 7,029,448.65-10,540,381.55-3,189,175.61

Finding the Fourth Proportional to 7,029,448.65, 10,540,381.55 and 3,189,175.61

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Solution

The fourth proportional to 7,029,448.65, 10,540,381.55 and 3,189,175.61 is: 4,782,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029,448.65 : 10,540,381.55 = 3,189,175.61 : x
  2. Step 2: Convert to fraction form
    7,029,448.65/10,540,381.55 = 3,189,175.61/x
  3. Step 3: Cross multiply
    7,029,448.65x = 10,540,381.55 × 3,189,175.61
  4. Step 4: Simplify right side
    7,029,448.65x = 33,615,127,690,706.21
  5. Step 5: Solve for x
    x = 33,615,127,690,706.21/7,029,448.65
  6. Step 6: Final answer
    x = 4,782,043.28

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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.