Home / 18,050,142.40-27,083,480.46-7,818,131.68

Finding the Fourth Proportional to 18,050,142.40, 27,083,480.46 and 7,818,131.68

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Solution

The fourth proportional to 18,050,142.40, 27,083,480.46 and 7,818,131.68 is: 11,730,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050,142.40 : 27,083,480.46 = 7,818,131.68 : x
  2. Step 2: Convert to fraction form
    18,050,142.40/27,083,480.46 = 7,818,131.68/x
  3. Step 3: Cross multiply
    18,050,142.40x = 27,083,480.46 × 7,818,131.68
  4. Step 4: Simplify right side
    18,050,142.40x = 211,742,216,491,960.28
  5. Step 5: Solve for x
    x = 211,742,216,491,960.28/18,050,142.40
  6. Step 6: Final answer
    x = 11,730,778.17

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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.