Home / 20,108,383.47-27,748,752.03-11,406,369.29

Finding the Fourth Proportional to 20,108,383.47, 27,748,752.03 and 11,406,369.29

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Solution

The fourth proportional to 20,108,383.47, 27,748,752.03 and 11,406,369.29 is: 15,740,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,383.47 : 27,748,752.03 = 11,406,369.29 : x
  2. Step 2: Convert to fraction form
    20,108,383.47/27,748,752.03 = 11,406,369.29/x
  3. Step 3: Cross multiply
    20,108,383.47x = 27,748,752.03 × 11,406,369.29
  4. Step 4: Simplify right side
    20,108,383.47x = 316,512,512,852,073.44
  5. Step 5: Solve for x
    x = 316,512,512,852,073.44/20,108,383.47
  6. Step 6: Final answer
    x = 15,740,326.08

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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.