Home / 10,900,016.60-16,336,028.10-8,363,096.60

Finding the Fourth Proportional to 10,900,016.60, 16,336,028.10 and 8,363,096.60

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Solution

The fourth proportional to 10,900,016.60, 16,336,028.10 and 8,363,096.60 is: 12,533,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,016.60 : 16,336,028.10 = 8,363,096.60 : x
  2. Step 2: Convert to fraction form
    10,900,016.60/16,336,028.10 = 8,363,096.60/x
  3. Step 3: Cross multiply
    10,900,016.60x = 16,336,028.10 × 8,363,096.60
  4. Step 4: Simplify right side
    10,900,016.60x = 136,619,781,060,614.45
  5. Step 5: Solve for x
    x = 136,619,781,060,614.45/10,900,016.60
  6. Step 6: Final answer
    x = 12,533,905.78

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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.