Home / 12,081,805.70-18,122,708.55-4,896,781.70

Finding the Fourth Proportional to 12,081,805.70, 18,122,708.55 and 4,896,781.70

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Solution

The fourth proportional to 12,081,805.70, 18,122,708.55 and 4,896,781.70 is: 7,345,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081,805.70 : 18,122,708.55 = 4,896,781.70 : x
  2. Step 2: Convert to fraction form
    12,081,805.70/18,122,708.55 = 4,896,781.70/x
  3. Step 3: Cross multiply
    12,081,805.70x = 18,122,708.55 × 4,896,781.70
  4. Step 4: Simplify right side
    12,081,805.70x = 88,742,947,582,073.55
  5. Step 5: Solve for x
    x = 88,742,947,582,073.55/12,081,805.70
  6. Step 6: Final answer
    x = 7,345,172.55

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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.