Home / 19,182,052.95-28,753,687.55-8,259,365.76

Finding the Fourth Proportional to 19,182,052.95, 28,753,687.55 and 8,259,365.76

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Solution

The fourth proportional to 19,182,052.95, 28,753,687.55 and 8,259,365.76 is: 12,380,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182,052.95 : 28,753,687.55 = 8,259,365.76 : x
  2. Step 2: Convert to fraction form
    19,182,052.95/28,753,687.55 = 8,259,365.76/x
  3. Step 3: Cross multiply
    19,182,052.95x = 28,753,687.55 × 8,259,365.76
  4. Step 4: Simplify right side
    19,182,052.95x = 237,487,222,382,911.47
  5. Step 5: Solve for x
    x = 237,487,222,382,911.47/19,182,052.95
  6. Step 6: Final answer
    x = 12,380,698.93

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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.