Home / 8,305,742.40-12,456,280.80-2,627,707.20

Finding the Fourth Proportional to 8,305,742.40, 12,456,280.80 and 2,627,707.20

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Solution

The fourth proportional to 8,305,742.40, 12,456,280.80 and 2,627,707.20 is: 3,940,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,742.40 : 12,456,280.80 = 2,627,707.20 : x
  2. Step 2: Convert to fraction form
    8,305,742.40/12,456,280.80 = 2,627,707.20/x
  3. Step 3: Cross multiply
    8,305,742.40x = 12,456,280.80 × 2,627,707.20
  4. Step 4: Simplify right side
    8,305,742.40x = 32,731,458,743,381.77
  5. Step 5: Solve for x
    x = 32,731,458,743,381.77/8,305,742.40
  6. Step 6: Final answer
    x = 3,940,822.77

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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.