Home / 12,010,979.15-18,016,966.98-3,491,315.62

Finding the Fourth Proportional to 12,010,979.15, 18,016,966.98 and 3,491,315.62

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Solution

The fourth proportional to 12,010,979.15, 18,016,966.98 and 3,491,315.62 is: 5,237,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010,979.15 : 18,016,966.98 = 3,491,315.62 : x
  2. Step 2: Convert to fraction form
    12,010,979.15/18,016,966.98 = 3,491,315.62/x
  3. Step 3: Cross multiply
    12,010,979.15x = 18,016,966.98 × 3,491,315.62
  4. Step 4: Simplify right side
    12,010,979.15x = 62,902,918,242,298.23
  5. Step 5: Solve for x
    x = 62,902,918,242,298.23/12,010,979.15
  6. Step 6: Final answer
    x = 5,237,118.26

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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.