Home / 20,145,244.32-27,799,627.68-10,977,690.24

Finding the Fourth Proportional to 20,145,244.32, 27,799,627.68 and 10,977,690.24

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Solution

The fourth proportional to 20,145,244.32, 27,799,627.68 and 10,977,690.24 is: 15,148,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145,244.32 : 27,799,627.68 = 10,977,690.24 : x
  2. Step 2: Convert to fraction form
    20,145,244.32/27,799,627.68 = 10,977,690.24/x
  3. Step 3: Cross multiply
    20,145,244.32x = 27,799,627.68 × 10,977,690.24
  4. Step 4: Simplify right side
    20,145,244.32x = 305,175,701,458,369.88
  5. Step 5: Solve for x
    x = 305,175,701,458,369.88/20,145,244.32
  6. Step 6: Final answer
    x = 15,148,771.42

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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.