Home / 13,902,436.80-20,853,655.20-9,355,663.80

Finding the Fourth Proportional to 13,902,436.80, 20,853,655.20 and 9,355,663.80

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Solution

The fourth proportional to 13,902,436.80, 20,853,655.20 and 9,355,663.80 is: 14,033,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,436.80 : 20,853,655.20 = 9,355,663.80 : x
  2. Step 2: Convert to fraction form
    13,902,436.80/20,853,655.20 = 9,355,663.80/x
  3. Step 3: Cross multiply
    13,902,436.80x = 20,853,655.20 × 9,355,663.80
  4. Step 4: Simplify right side
    13,902,436.80x = 195,099,787,052,321.78
  5. Step 5: Solve for x
    x = 195,099,787,052,321.78/13,902,436.80
  6. Step 6: Final answer
    x = 14,033,495.70

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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.