Home / 13,902,467.70-20,853,701.55-11,802,947.70

Finding the Fourth Proportional to 13,902,467.70, 20,853,701.55 and 11,802,947.70

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Solution

The fourth proportional to 13,902,467.70, 20,853,701.55 and 11,802,947.70 is: 17,704,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,467.70 : 20,853,701.55 = 11,802,947.70 : x
  2. Step 2: Convert to fraction form
    13,902,467.70/20,853,701.55 = 11,802,947.70/x
  3. Step 3: Cross multiply
    13,902,467.70x = 20,853,701.55 × 11,802,947.70
  4. Step 4: Simplify right side
    13,902,467.70x = 246,135,148,746,058.94
  5. Step 5: Solve for x
    x = 246,135,148,746,058.94/13,902,467.70
  6. Step 6: Final answer
    x = 17,704,421.55

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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.