Home / 8,195,145.60-12,292,718.40-2,803,971.90

Finding the Fourth Proportional to 8,195,145.60, 12,292,718.40 and 2,803,971.90

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Solution

The fourth proportional to 8,195,145.60, 12,292,718.40 and 2,803,971.90 is: 4,205,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,145.60 : 12,292,718.40 = 2,803,971.90 : x
  2. Step 2: Convert to fraction form
    8,195,145.60/12,292,718.40 = 2,803,971.90/x
  3. Step 3: Cross multiply
    8,195,145.60x = 12,292,718.40 × 2,803,971.90
  4. Step 4: Simplify right side
    8,195,145.60x = 34,468,436,968,212.96
  5. Step 5: Solve for x
    x = 34,468,436,968,212.96/8,195,145.60
  6. Step 6: Final answer
    x = 4,205,957.85

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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.