Home / 7,136,556.80-9,834,872.65-7,005,395.12

Finding the Fourth Proportional to 7,136,556.80, 9,834,872.65 and 7,005,395.12

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Solution

The fourth proportional to 7,136,556.80, 9,834,872.65 and 7,005,395.12 is: 9,654,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,556.80 : 9,834,872.65 = 7,005,395.12 : x
  2. Step 2: Convert to fraction form
    7,136,556.80/9,834,872.65 = 7,005,395.12/x
  3. Step 3: Cross multiply
    7,136,556.80x = 9,834,872.65 × 7,005,395.12
  4. Step 4: Simplify right side
    7,136,556.80x = 68,897,168,801,443.62
  5. Step 5: Solve for x
    x = 68,897,168,801,443.62/7,136,556.80
  6. Step 6: Final answer
    x = 9,654,119.04

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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.