Home / 8,310,073.35-11,384,747.40-7,999,315.59

Finding the Fourth Proportional to 8,310,073.35, 11,384,747.40 and 7,999,315.59

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Solution

The fourth proportional to 8,310,073.35, 11,384,747.40 and 7,999,315.59 is: 10,959,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,073.35 : 11,384,747.40 = 7,999,315.59 : x
  2. Step 2: Convert to fraction form
    8,310,073.35/11,384,747.40 = 7,999,315.59/x
  3. Step 3: Cross multiply
    8,310,073.35x = 11,384,747.40 × 7,999,315.59
  4. Step 4: Simplify right side
    8,310,073.35x = 91,070,187,365,031.97
  5. Step 5: Solve for x
    x = 91,070,187,365,031.97/8,310,073.35
  6. Step 6: Final answer
    x = 10,959,011.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.