Home / 5,418,009.22-8,127,456.08-2,720,947.36

Finding the Fourth Proportional to 5,418,009.22, 8,127,456.08 and 2,720,947.36

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Solution

The fourth proportional to 5,418,009.22, 8,127,456.08 and 2,720,947.36 is: 4,081,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,009.22 : 8,127,456.08 = 2,720,947.36 : x
  2. Step 2: Convert to fraction form
    5,418,009.22/8,127,456.08 = 2,720,947.36/x
  3. Step 3: Cross multiply
    5,418,009.22x = 8,127,456.08 × 2,720,947.36
  4. Step 4: Simplify right side
    5,418,009.22x = 22,114,380,164,391.95
  5. Step 5: Solve for x
    x = 22,114,380,164,391.95/5,418,009.22
  6. Step 6: Final answer
    x = 4,081,643.14

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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.