Home / 8,720,628.80-13,083,016.80-3,669,339.20

Finding the Fourth Proportional to 8,720,628.80, 13,083,016.80 and 3,669,339.20

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Solution

The fourth proportional to 8,720,628.80, 13,083,016.80 and 3,669,339.20 is: 5,504,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,628.80 : 13,083,016.80 = 3,669,339.20 : x
  2. Step 2: Convert to fraction form
    8,720,628.80/13,083,016.80 = 3,669,339.20/x
  3. Step 3: Cross multiply
    8,720,628.80x = 13,083,016.80 × 3,669,339.20
  4. Step 4: Simplify right side
    8,720,628.80x = 48,006,026,398,498.56
  5. Step 5: Solve for x
    x = 48,006,026,398,498.56/8,720,628.80
  6. Step 6: Final answer
    x = 5,504,881.30

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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.