Home / 38,087,495.90-57,123,804.64-12,172,845.80

Finding the Fourth Proportional to 38,087,495.90, 57,123,804.64 and 12,172,845.80

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Solution

The fourth proportional to 38,087,495.90, 57,123,804.64 and 12,172,845.80 is: 18,256,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087,495.90 : 57,123,804.64 = 12,172,845.80 : x
  2. Step 2: Convert to fraction form
    38,087,495.90/57,123,804.64 = 12,172,845.80/x
  3. Step 3: Cross multiply
    38,087,495.90x = 57,123,804.64 × 12,172,845.80
  4. Step 4: Simplify right side
    38,087,495.90x = 695,359,265,504,422
  5. Step 5: Solve for x
    x = 695,359,265,504,422/38,087,495.90
  6. Step 6: Final answer
    x = 18,256,891.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.