Home / 7,587,341.70-11,381,012.55-6,790,180.20

Finding the Fourth Proportional to 7,587,341.70, 11,381,012.55 and 6,790,180.20

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Solution

The fourth proportional to 7,587,341.70, 11,381,012.55 and 6,790,180.20 is: 10,185,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587,341.70 : 11,381,012.55 = 6,790,180.20 : x
  2. Step 2: Convert to fraction form
    7,587,341.70/11,381,012.55 = 6,790,180.20/x
  3. Step 3: Cross multiply
    7,587,341.70x = 11,381,012.55 × 6,790,180.20
  4. Step 4: Simplify right side
    7,587,341.70x = 77,279,126,072,961.52
  5. Step 5: Solve for x
    x = 77,279,126,072,961.52/7,587,341.70
  6. Step 6: Final answer
    x = 10,185,270.30

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Similar ratio
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1.5x scale

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.