Home / 8,108,972.78-11,190,386.79-4,437,887.20

Finding the Fourth Proportional to 8,108,972.78, 11,190,386.79 and 4,437,887.20

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Solution

The fourth proportional to 8,108,972.78, 11,190,386.79 and 4,437,887.20 is: 6,124,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108,972.78 : 11,190,386.79 = 4,437,887.20 : x
  2. Step 2: Convert to fraction form
    8,108,972.78/11,190,386.79 = 4,437,887.20/x
  3. Step 3: Cross multiply
    8,108,972.78x = 11,190,386.79 × 4,437,887.20
  4. Step 4: Simplify right side
    8,108,972.78x = 49,661,674,270,414.12
  5. Step 5: Solve for x
    x = 49,661,674,270,414.12/8,108,972.78
  6. Step 6: Final answer
    x = 6,124,286.72

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1.5x scale

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.