Home / 10,987,390.10-16,447,907.55-9,660,286.10

Finding the Fourth Proportional to 10,987,390.10, 16,447,907.55 and 9,660,286.10

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Solution

The fourth proportional to 10,987,390.10, 16,447,907.55 and 9,660,286.10 is: 14,461,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,390.10 : 16,447,907.55 = 9,660,286.10 : x
  2. Step 2: Convert to fraction form
    10,987,390.10/16,447,907.55 = 9,660,286.10/x
  3. Step 3: Cross multiply
    10,987,390.10x = 16,447,907.55 × 9,660,286.10
  4. Step 4: Simplify right side
    10,987,390.10x = 158,891,492,679,350.06
  5. Step 5: Solve for x
    x = 158,891,492,679,350.06/10,987,390.10
  6. Step 6: Final answer
    x = 14,461,258.88

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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.