Home / 8,539,156.62-12,808,719.06-2,781,883.32

Finding the Fourth Proportional to 8,539,156.62, 12,808,719.06 and 2,781,883.32

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Solution

The fourth proportional to 8,539,156.62, 12,808,719.06 and 2,781,883.32 is: 4,172,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,156.62 : 12,808,719.06 = 2,781,883.32 : x
  2. Step 2: Convert to fraction form
    8,539,156.62/12,808,719.06 = 2,781,883.32/x
  3. Step 3: Cross multiply
    8,539,156.62x = 12,808,719.06 × 2,781,883.32
  4. Step 4: Simplify right side
    8,539,156.62x = 35,632,361,903,580.08
  5. Step 5: Solve for x
    x = 35,632,361,903,580.08/8,539,156.62
  6. Step 6: Final answer
    x = 4,172,819.81

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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.