Home / 38,109,332.57-57,135,072.14-19,645,380.95

Finding the Fourth Proportional to 38,109,332.57, 57,135,072.14 and 19,645,380.95

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Solution

The fourth proportional to 38,109,332.57, 57,135,072.14 and 19,645,380.95 is: 29,453,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109,332.57 : 57,135,072.14 = 19,645,380.95 : x
  2. Step 2: Convert to fraction form
    38,109,332.57/57,135,072.14 = 19,645,380.95/x
  3. Step 3: Cross multiply
    38,109,332.57x = 57,135,072.14 × 19,645,380.95
  4. Step 4: Simplify right side
    38,109,332.57x = 1,122,440,257,697,804.75
  5. Step 5: Solve for x
    x = 1,122,440,257,697,804.75/38,109,332.57
  6. Step 6: Final answer
    x = 29,453,159.69

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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.