Home / 10,136,162.88-13,987,907.28-5,552,647.20

Finding the Fourth Proportional to 10,136,162.88, 13,987,907.28 and 5,552,647.20

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Solution

The fourth proportional to 10,136,162.88, 13,987,907.28 and 5,552,647.20 is: 7,662,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,162.88 : 13,987,907.28 = 5,552,647.20 : x
  2. Step 2: Convert to fraction form
    10,136,162.88/13,987,907.28 = 5,552,647.20/x
  3. Step 3: Cross multiply
    10,136,162.88x = 13,987,907.28 × 5,552,647.20
  4. Step 4: Simplify right side
    10,136,162.88x = 77,669,914,192,151.61
  5. Step 5: Solve for x
    x = 77,669,914,192,151.61/10,136,162.88
  6. Step 6: Final answer
    x = 7,662,654.51

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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.