Home / 13,270,831.18-18,310,046.22-8,559,233.04

Finding the Fourth Proportional to 13,270,831.18, 18,310,046.22 and 8,559,233.04

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Solution

The fourth proportional to 13,270,831.18, 18,310,046.22 and 8,559,233.04 is: 11,809,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,831.18 : 18,310,046.22 = 8,559,233.04 : x
  2. Step 2: Convert to fraction form
    13,270,831.18/18,310,046.22 = 8,559,233.04/x
  3. Step 3: Cross multiply
    13,270,831.18x = 18,310,046.22 × 8,559,233.04
  4. Step 4: Simplify right side
    13,270,831.18x = 156,719,952,656,865.19
  5. Step 5: Solve for x
    x = 156,719,952,656,865.19/13,270,831.18
  6. Step 6: Final answer
    x = 11,809,354.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.