Home / 18,155,218.20-27,232,827.30-6,640,663.20

Finding the Fourth Proportional to 18,155,218.20, 27,232,827.30 and 6,640,663.20

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Solution

The fourth proportional to 18,155,218.20, 27,232,827.30 and 6,640,663.20 is: 9,960,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,218.20 : 27,232,827.30 = 6,640,663.20 : x
  2. Step 2: Convert to fraction form
    18,155,218.20/27,232,827.30 = 6,640,663.20/x
  3. Step 3: Cross multiply
    18,155,218.20x = 27,232,827.30 × 6,640,663.20
  4. Step 4: Simplify right side
    18,155,218.20x = 180,844,034,083,065.38
  5. Step 5: Solve for x
    x = 180,844,034,083,065.38/18,155,218.20
  6. Step 6: Final answer
    x = 9,960,994.80

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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.