Home / 5,390,342.70-8,085,514.05-5,177,766.30

Finding the Fourth Proportional to 5,390,342.70, 8,085,514.05 and 5,177,766.30

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Solution

The fourth proportional to 5,390,342.70, 8,085,514.05 and 5,177,766.30 is: 7,766,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,342.70 : 8,085,514.05 = 5,177,766.30 : x
  2. Step 2: Convert to fraction form
    5,390,342.70/8,085,514.05 = 5,177,766.30/x
  3. Step 3: Cross multiply
    5,390,342.70x = 8,085,514.05 × 5,177,766.30
  4. Step 4: Simplify right side
    5,390,342.70x = 41,864,902,166,266.52
  5. Step 5: Solve for x
    x = 41,864,902,166,266.52/5,390,342.70
  6. Step 6: Final answer
    x = 7,766,649.45

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Double scale
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Similar ratio
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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.