Home / 9,102,136.80-13,644,019.80-4,546,178.40

Finding the Fourth Proportional to 9,102,136.80, 13,644,019.80 and 4,546,178.40

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Solution

The fourth proportional to 9,102,136.80, 13,644,019.80 and 4,546,178.40 is: 6,814,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102,136.80 : 13,644,019.80 = 4,546,178.40 : x
  2. Step 2: Convert to fraction form
    9,102,136.80/13,644,019.80 = 4,546,178.40/x
  3. Step 3: Cross multiply
    9,102,136.80x = 13,644,019.80 × 4,546,178.40
  4. Step 4: Simplify right side
    9,102,136.80x = 62,028,148,103,932.33
  5. Step 5: Solve for x
    x = 62,028,148,103,932.33/9,102,136.80
  6. Step 6: Final answer
    x = 6,814,679.83

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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.