Home / 10,892,605.20-16,374,337.20-7,719,705.60

Finding the Fourth Proportional to 10,892,605.20, 16,374,337.20 and 7,719,705.60

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Solution

The fourth proportional to 10,892,605.20, 16,374,337.20 and 7,719,705.60 is: 11,604,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,605.20 : 16,374,337.20 = 7,719,705.60 : x
  2. Step 2: Convert to fraction form
    10,892,605.20/16,374,337.20 = 7,719,705.60/x
  3. Step 3: Cross multiply
    10,892,605.20x = 16,374,337.20 × 7,719,705.60
  4. Step 4: Simplify right side
    10,892,605.20x = 126,405,062,579,128.31
  5. Step 5: Solve for x
    x = 126,405,062,579,128.31/10,892,605.20
  6. Step 6: Final answer
    x = 11,604,667.59

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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.