Home / 10,131,783.15-13,981,866.65-5,548,104.52

Finding the Fourth Proportional to 10,131,783.15, 13,981,866.65 and 5,548,104.52

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Solution

The fourth proportional to 10,131,783.15, 13,981,866.65 and 5,548,104.52 is: 7,656,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,783.15 : 13,981,866.65 = 5,548,104.52 : x
  2. Step 2: Convert to fraction form
    10,131,783.15/13,981,866.65 = 5,548,104.52/x
  3. Step 3: Cross multiply
    10,131,783.15x = 13,981,866.65 × 5,548,104.52
  4. Step 4: Simplify right side
    10,131,783.15x = 77,572,857,558,902.25
  5. Step 5: Solve for x
    x = 77,572,857,558,902.25/10,131,783.15
  6. Step 6: Final answer
    x = 7,656,387.47

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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.