Home / 19,853,201.50-29,754,055.78-8,915,314.66

Finding the Fourth Proportional to 19,853,201.50, 29,754,055.78 and 8,915,314.66

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Solution

The fourth proportional to 19,853,201.50, 29,754,055.78 and 8,915,314.66 is: 13,361,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853,201.50 : 29,754,055.78 = 8,915,314.66 : x
  2. Step 2: Convert to fraction form
    19,853,201.50/29,754,055.78 = 8,915,314.66/x
  3. Step 3: Cross multiply
    19,853,201.50x = 29,754,055.78 × 8,915,314.66
  4. Step 4: Simplify right side
    19,853,201.50x = 265,266,769,593,218.31
  5. Step 5: Solve for x
    x = 265,266,769,593,218.31/19,853,201.50
  6. Step 6: Final answer
    x = 13,361,410.23

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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.