Home / 13,744,515.68-18,965,155.60-7,943,837.20

Finding the Fourth Proportional to 13,744,515.68, 18,965,155.60 and 7,943,837.20

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Solution

The fourth proportional to 13,744,515.68, 18,965,155.60 and 7,943,837.20 is: 10,961,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744,515.68 : 18,965,155.60 = 7,943,837.20 : x
  2. Step 2: Convert to fraction form
    13,744,515.68/18,965,155.60 = 7,943,837.20/x
  3. Step 3: Cross multiply
    13,744,515.68x = 18,965,155.60 × 7,943,837.20
  4. Step 4: Simplify right side
    13,744,515.68x = 150,656,108,559,068.34
  5. Step 5: Solve for x
    x = 150,656,108,559,068.34/13,744,515.68
  6. Step 6: Final answer
    x = 10,961,179.87

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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.