Home / 19,415,374.52-29,134,189.38-7,898,716.36

Finding the Fourth Proportional to 19,415,374.52, 29,134,189.38 and 7,898,716.36

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Solution

The fourth proportional to 19,415,374.52, 29,134,189.38 and 7,898,716.36 is: 11,852,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,374.52 : 29,134,189.38 = 7,898,716.36 : x
  2. Step 2: Convert to fraction form
    19,415,374.52/29,134,189.38 = 7,898,716.36/x
  3. Step 3: Cross multiply
    19,415,374.52x = 29,134,189.38 × 7,898,716.36
  4. Step 4: Simplify right side
    19,415,374.52x = 230,122,698,145,473.31
  5. Step 5: Solve for x
    x = 230,122,698,145,473.31/19,415,374.52
  6. Step 6: Final answer
    x = 11,852,601.55

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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.