Home / 12,461,104.80-18,691,657.20-7,067,671.20

Finding the Fourth Proportional to 12,461,104.80, 18,691,657.20 and 7,067,671.20

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Solution

The fourth proportional to 12,461,104.80, 18,691,657.20 and 7,067,671.20 is: 10,601,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,104.80 : 18,691,657.20 = 7,067,671.20 : x
  2. Step 2: Convert to fraction form
    12,461,104.80/18,691,657.20 = 7,067,671.20/x
  3. Step 3: Cross multiply
    12,461,104.80x = 18,691,657.20 × 7,067,671.20
  4. Step 4: Simplify right side
    12,461,104.80x = 132,106,487,272,712.64
  5. Step 5: Solve for x
    x = 132,106,487,272,712.64/12,461,104.80
  6. Step 6: Final answer
    x = 10,601,506.80

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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.