Home / 20,341,903.38-28,072,128.60-11,049,654.66

Finding the Fourth Proportional to 20,341,903.38, 28,072,128.60 and 11,049,654.66

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Solution

The fourth proportional to 20,341,903.38, 28,072,128.60 and 11,049,654.66 is: 15,248,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341,903.38 : 28,072,128.60 = 11,049,654.66 : x
  2. Step 2: Convert to fraction form
    20,341,903.38/28,072,128.60 = 11,049,654.66/x
  3. Step 3: Cross multiply
    20,341,903.38x = 28,072,128.60 × 11,049,654.66
  4. Step 4: Simplify right side
    20,341,903.38x = 310,187,326,601,109.31
  5. Step 5: Solve for x
    x = 310,187,326,601,109.31/20,341,903.38
  6. Step 6: Final answer
    x = 15,248,687.44

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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.