Home / 25,642,098.80-38,463,148.20-7,691,202.80

Finding the Fourth Proportional to 25,642,098.80, 38,463,148.20 and 7,691,202.80

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Solution

The fourth proportional to 25,642,098.80, 38,463,148.20 and 7,691,202.80 is: 11,536,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642,098.80 : 38,463,148.20 = 7,691,202.80 : x
  2. Step 2: Convert to fraction form
    25,642,098.80/38,463,148.20 = 7,691,202.80/x
  3. Step 3: Cross multiply
    25,642,098.80x = 38,463,148.20 × 7,691,202.80
  4. Step 4: Simplify right side
    25,642,098.80x = 295,827,873,132,655
  5. Step 5: Solve for x
    x = 295,827,873,132,655/25,642,098.80
  6. Step 6: Final answer
    x = 11,536,804.20

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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.