Home / 12,463,965.40-18,695,948.10-3,944,968.60

Finding the Fourth Proportional to 12,463,965.40, 18,695,948.10 and 3,944,968.60

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Solution

The fourth proportional to 12,463,965.40, 18,695,948.10 and 3,944,968.60 is: 5,917,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,965.40 : 18,695,948.10 = 3,944,968.60 : x
  2. Step 2: Convert to fraction form
    12,463,965.40/18,695,948.10 = 3,944,968.60/x
  3. Step 3: Cross multiply
    12,463,965.40x = 18,695,948.10 × 3,944,968.60
  4. Step 4: Simplify right side
    12,463,965.40x = 73,754,928,201,729.67
  5. Step 5: Solve for x
    x = 73,754,928,201,729.67/12,463,965.40
  6. Step 6: Final answer
    x = 5,917,452.90

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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.