Home / 18,550,932.12-27,830,673.15-6,420,395.72

Finding the Fourth Proportional to 18,550,932.12, 27,830,673.15 and 6,420,395.72

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Solution

The fourth proportional to 18,550,932.12, 27,830,673.15 and 6,420,395.72 is: 9,632,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550,932.12 : 27,830,673.15 = 6,420,395.72 : x
  2. Step 2: Convert to fraction form
    18,550,932.12/27,830,673.15 = 6,420,395.72/x
  3. Step 3: Cross multiply
    18,550,932.12x = 27,830,673.15 × 6,420,395.72
  4. Step 4: Simplify right side
    18,550,932.12x = 178,683,934,613,749.06
  5. Step 5: Solve for x
    x = 178,683,934,613,749.06/18,550,932.12
  6. Step 6: Final answer
    x = 9,632,073.12

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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.