Home / 20,108,352.22-27,748,708.89-11,406,338

Finding the Fourth Proportional to 20,108,352.22, 27,748,708.89 and 11,406,338

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Solution

The fourth proportional to 20,108,352.22, 27,748,708.89 and 11,406,338 is: 15,740,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,352.22 : 27,748,708.89 = 11,406,338 : x
  2. Step 2: Convert to fraction form
    20,108,352.22/27,748,708.89 = 11,406,338/x
  3. Step 3: Cross multiply
    20,108,352.22x = 27,748,708.89 × 11,406,338
  4. Step 4: Simplify right side
    20,108,352.22x = 316,511,152,662,944.81
  5. Step 5: Solve for x
    x = 316,511,152,662,944.81/20,108,352.22
  6. Step 6: Final answer
    x = 15,740,282.90

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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.