Home / 18,065,948.12-27,099,966.92-5,111,013.57

Finding the Fourth Proportional to 18,065,948.12, 27,099,966.92 and 5,111,013.57

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Solution

The fourth proportional to 18,065,948.12, 27,099,966.92 and 5,111,013.57 is: 7,666,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065,948.12 : 27,099,966.92 = 5,111,013.57 : x
  2. Step 2: Convert to fraction form
    18,065,948.12/27,099,966.92 = 5,111,013.57/x
  3. Step 3: Cross multiply
    18,065,948.12x = 27,099,966.92 × 5,111,013.57
  4. Step 4: Simplify right side
    18,065,948.12x = 138,508,298,674,671.12
  5. Step 5: Solve for x
    x = 138,508,298,674,671.12/18,065,948.12
  6. Step 6: Final answer
    x = 7,666,815.92

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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.