Home / 10,693,929.60-16,040,894.40-8,305,142.40

Finding the Fourth Proportional to 10,693,929.60, 16,040,894.40 and 8,305,142.40

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Solution

The fourth proportional to 10,693,929.60, 16,040,894.40 and 8,305,142.40 is: 12,457,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,929.60 : 16,040,894.40 = 8,305,142.40 : x
  2. Step 2: Convert to fraction form
    10,693,929.60/16,040,894.40 = 8,305,142.40/x
  3. Step 3: Cross multiply
    10,693,929.60x = 16,040,894.40 × 8,305,142.40
  4. Step 4: Simplify right side
    10,693,929.60x = 133,221,912,215,362.56
  5. Step 5: Solve for x
    x = 133,221,912,215,362.56/10,693,929.60
  6. Step 6: Final answer
    x = 12,457,713.60

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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.