Home / 20,108,384.97-27,748,754.10-11,406,370.80

Finding the Fourth Proportional to 20,108,384.97, 27,748,754.10 and 11,406,370.80

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Solution

The fourth proportional to 20,108,384.97, 27,748,754.10 and 11,406,370.80 is: 15,740,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,384.97 : 27,748,754.10 = 11,406,370.80 : x
  2. Step 2: Convert to fraction form
    20,108,384.97/27,748,754.10 = 11,406,370.80/x
  3. Step 3: Cross multiply
    20,108,384.97x = 27,748,754.10 × 11,406,370.80
  4. Step 4: Simplify right side
    20,108,384.97x = 316,512,578,502,620.31
  5. Step 5: Solve for x
    x = 316,512,578,502,620.31/20,108,384.97
  6. Step 6: Final answer
    x = 15,740,328.18

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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.