Home / 15,152,757.84-20,910,462.12-8,277,270.48

Finding the Fourth Proportional to 15,152,757.84, 20,910,462.12 and 8,277,270.48

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Solution

The fourth proportional to 15,152,757.84, 20,910,462.12 and 8,277,270.48 is: 11,422,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152,757.84 : 20,910,462.12 = 8,277,270.48 : x
  2. Step 2: Convert to fraction form
    15,152,757.84/20,910,462.12 = 8,277,270.48/x
  3. Step 3: Cross multiply
    15,152,757.84x = 20,910,462.12 × 8,277,270.48
  4. Step 4: Simplify right side
    15,152,757.84x = 173,081,550,829,034.25
  5. Step 5: Solve for x
    x = 173,081,550,829,034.25/15,152,757.84
  6. Step 6: Final answer
    x = 11,422,445.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.