Home / 21,088,884.48-31,635,784.32-7,632,049.92

Finding the Fourth Proportional to 21,088,884.48, 31,635,784.32 and 7,632,049.92

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Solution

The fourth proportional to 21,088,884.48, 31,635,784.32 and 7,632,049.92 is: 11,448,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088,884.48 : 31,635,784.32 = 7,632,049.92 : x
  2. Step 2: Convert to fraction form
    21,088,884.48/31,635,784.32 = 7,632,049.92/x
  3. Step 3: Cross multiply
    21,088,884.48x = 31,635,784.32 × 7,632,049.92
  4. Step 4: Simplify right side
    21,088,884.48x = 241,445,885,188,593.25
  5. Step 5: Solve for x
    x = 241,445,885,188,593.25/21,088,884.48
  6. Step 6: Final answer
    x = 11,448,964.28

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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.