Home / 8,720,620.80-13,083,004.80-3,669,331.20

Finding the Fourth Proportional to 8,720,620.80, 13,083,004.80 and 3,669,331.20

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Solution

The fourth proportional to 8,720,620.80, 13,083,004.80 and 3,669,331.20 is: 5,504,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,620.80 : 13,083,004.80 = 3,669,331.20 : x
  2. Step 2: Convert to fraction form
    8,720,620.80/13,083,004.80 = 3,669,331.20/x
  3. Step 3: Cross multiply
    8,720,620.80x = 13,083,004.80 × 3,669,331.20
  4. Step 4: Simplify right side
    8,720,620.80x = 48,005,877,702,389.77
  5. Step 5: Solve for x
    x = 48,005,877,702,389.77/8,720,620.80
  6. Step 6: Final answer
    x = 5,504,869.30

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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.