Home / 10,286,795.78-15,433,623.77-6,842,115.54

Finding the Fourth Proportional to 10,286,795.78, 15,433,623.77 and 6,842,115.54

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Solution

The fourth proportional to 10,286,795.78, 15,433,623.77 and 6,842,115.54 is: 10,265,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286,795.78 : 15,433,623.77 = 6,842,115.54 : x
  2. Step 2: Convert to fraction form
    10,286,795.78/15,433,623.77 = 6,842,115.54/x
  3. Step 3: Cross multiply
    10,286,795.78x = 15,433,623.77 × 6,842,115.54
  4. Step 4: Simplify right side
    10,286,795.78x = 105,598,636,957,612.75
  5. Step 5: Solve for x
    x = 105,598,636,957,612.75/10,286,795.78
  6. Step 6: Final answer
    x = 10,265,454.78

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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.