Home / 20,108,370.71-27,748,734.44-11,406,356.55

Finding the Fourth Proportional to 20,108,370.71, 27,748,734.44 and 11,406,356.55

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Solution

The fourth proportional to 20,108,370.71, 27,748,734.44 and 11,406,356.55 is: 15,740,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,370.71 : 27,748,734.44 = 11,406,356.55 : x
  2. Step 2: Convert to fraction form
    20,108,370.71/27,748,734.44 = 11,406,356.55/x
  3. Step 3: Cross multiply
    20,108,370.71x = 27,748,734.44 × 11,406,356.55
  4. Step 4: Simplify right side
    20,108,370.71x = 316,511,958,776,872.81
  5. Step 5: Solve for x
    x = 316,511,958,776,872.81/20,108,370.71
  6. Step 6: Final answer
    x = 15,740,308.52

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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.