Home / 19,278,789.06-28,904,011.76-9,188,495.94

Finding the Fourth Proportional to 19,278,789.06, 28,904,011.76 and 9,188,495.94

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Solution

The fourth proportional to 19,278,789.06, 28,904,011.76 and 9,188,495.94 is: 13,775,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278,789.06 : 28,904,011.76 = 9,188,495.94 : x
  2. Step 2: Convert to fraction form
    19,278,789.06/28,904,011.76 = 9,188,495.94/x
  3. Step 3: Cross multiply
    19,278,789.06x = 28,904,011.76 × 9,188,495.94
  4. Step 4: Simplify right side
    19,278,789.06x = 265,584,394,706,472.25
  5. Step 5: Solve for x
    x = 265,584,394,706,472.25/19,278,789.06
  6. Step 6: Final answer
    x = 13,775,989.45

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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.