Home / 21,827,416.52-30,121,864.67-11,904,323.18

Finding the Fourth Proportional to 21,827,416.52, 30,121,864.67 and 11,904,323.18

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Solution

The fourth proportional to 21,827,416.52, 30,121,864.67 and 11,904,323.18 is: 16,427,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827,416.52 : 30,121,864.67 = 11,904,323.18 : x
  2. Step 2: Convert to fraction form
    21,827,416.52/30,121,864.67 = 11,904,323.18/x
  3. Step 3: Cross multiply
    21,827,416.52x = 30,121,864.67 × 11,904,323.18
  4. Step 4: Simplify right side
    21,827,416.52x = 358,580,411,729,213.44
  5. Step 5: Solve for x
    x = 358,580,411,729,213.44/21,827,416.52
  6. Step 6: Final answer
    x = 16,427,982.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.