Home / 20,108,351.22-27,748,707.51-11,406,337.00

Finding the Fourth Proportional to 20,108,351.22, 27,748,707.51 and 11,406,337.00

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Solution

The fourth proportional to 20,108,351.22, 27,748,707.51 and 11,406,337.00 is: 15,740,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,351.22 : 27,748,707.51 = 11,406,337.00 : x
  2. Step 2: Convert to fraction form
    20,108,351.22/27,748,707.51 = 11,406,337.00/x
  3. Step 3: Cross multiply
    20,108,351.22x = 27,748,707.51 × 11,406,337.00
  4. Step 4: Simplify right side
    20,108,351.22x = 316,511,109,228,925.88
  5. Step 5: Solve for x
    x = 316,511,109,228,925.88/20,108,351.22
  6. Step 6: Final answer
    x = 15,740,281.52

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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.