Home / 20,178,004.63-27,845,385.10-11,010,489.43

Finding the Fourth Proportional to 20,178,004.63, 27,845,385.10 and 11,010,489.43

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Solution

The fourth proportional to 20,178,004.63, 27,845,385.10 and 11,010,489.43 is: 15,194,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,004.63 : 27,845,385.10 = 11,010,489.43 : x
  2. Step 2: Convert to fraction form
    20,178,004.63/27,845,385.10 = 11,010,489.43/x
  3. Step 3: Cross multiply
    20,178,004.63x = 27,845,385.10 × 11,010,489.43
  4. Step 4: Simplify right side
    20,178,004.63x = 306,591,318,317,829.50
  5. Step 5: Solve for x
    x = 306,591,318,317,829.50/20,178,004.63
  6. Step 6: Final answer
    x = 15,194,332.84

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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.