Home / 7,739,680.70-11,609,521.05-7,261,383.80

Finding the Fourth Proportional to 7,739,680.70, 11,609,521.05 and 7,261,383.80

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Solution

The fourth proportional to 7,739,680.70, 11,609,521.05 and 7,261,383.80 is: 10,892,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,680.70 : 11,609,521.05 = 7,261,383.80 : x
  2. Step 2: Convert to fraction form
    7,739,680.70/11,609,521.05 = 7,261,383.80/x
  3. Step 3: Cross multiply
    7,739,680.70x = 11,609,521.05 × 7,261,383.80
  4. Step 4: Simplify right side
    7,739,680.70x = 84,301,188,078,229
  5. Step 5: Solve for x
    x = 84,301,188,078,229/7,739,680.70
  6. Step 6: Final answer
    x = 10,892,075.70

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Double scale
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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.