Home / 8,781,708.40-13,204,055.40-7,396,025.20

Finding the Fourth Proportional to 8,781,708.40, 13,204,055.40 and 7,396,025.20

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Solution

The fourth proportional to 8,781,708.40, 13,204,055.40 and 7,396,025.20 is: 11,120,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,708.40 : 13,204,055.40 = 7,396,025.20 : x
  2. Step 2: Convert to fraction form
    8,781,708.40/13,204,055.40 = 7,396,025.20/x
  3. Step 3: Cross multiply
    8,781,708.40x = 13,204,055.40 × 7,396,025.20
  4. Step 4: Simplify right side
    8,781,708.40x = 97,657,526,480,596.08
  5. Step 5: Solve for x
    x = 97,657,526,480,596.08/8,781,708.40
  6. Step 6: Final answer
    x = 11,120,561.29

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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.