Home / 12,479,966.60-18,721,961.45-3,844,063.03

Finding the Fourth Proportional to 12,479,966.60, 18,721,961.45 and 3,844,063.03

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Solution

The fourth proportional to 12,479,966.60, 18,721,961.45 and 3,844,063.03 is: 5,766,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,966.60 : 18,721,961.45 = 3,844,063.03 : x
  2. Step 2: Convert to fraction form
    12,479,966.60/18,721,961.45 = 3,844,063.03/x
  3. Step 3: Cross multiply
    12,479,966.60x = 18,721,961.45 × 3,844,063.03
  4. Step 4: Simplify right side
    12,479,966.60x = 71,968,399,859,030.19
  5. Step 5: Solve for x
    x = 71,968,399,859,030.19/12,479,966.60
  6. Step 6: Final answer
    x = 5,766,714.14

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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.