Home / 20,108,394.34-27,748,767.04-11,406,380.18

Finding the Fourth Proportional to 20,108,394.34, 27,748,767.04 and 11,406,380.18

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Solution

The fourth proportional to 20,108,394.34, 27,748,767.04 and 11,406,380.18 is: 15,740,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,394.34 : 27,748,767.04 = 11,406,380.18 : x
  2. Step 2: Convert to fraction form
    20,108,394.34/27,748,767.04 = 11,406,380.18/x
  3. Step 3: Cross multiply
    20,108,394.34x = 27,748,767.04 × 11,406,380.18
  4. Step 4: Simplify right side
    20,108,394.34x = 316,512,986,217,233.50
  5. Step 5: Solve for x
    x = 316,512,986,217,233.50/20,108,394.34
  6. Step 6: Final answer
    x = 15,740,341.12

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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.