Home / 10,345,721.82-15,518,582.73-3,157,293.66

Finding the Fourth Proportional to 10,345,721.82, 15,518,582.73 and 3,157,293.66

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Solution

The fourth proportional to 10,345,721.82, 15,518,582.73 and 3,157,293.66 is: 4,735,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345,721.82 : 15,518,582.73 = 3,157,293.66 : x
  2. Step 2: Convert to fraction form
    10,345,721.82/15,518,582.73 = 3,157,293.66/x
  3. Step 3: Cross multiply
    10,345,721.82x = 15,518,582.73 × 3,157,293.66
  4. Step 4: Simplify right side
    10,345,721.82x = 48,996,722,865,614.49
  5. Step 5: Solve for x
    x = 48,996,722,865,614.49/10,345,721.82
  6. Step 6: Final answer
    x = 4,735,940.49

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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.