Home / 13,455,865.80-20,183,798.70-9,204,337.80

Finding the Fourth Proportional to 13,455,865.80, 20,183,798.70 and 9,204,337.80

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Solution

The fourth proportional to 13,455,865.80, 20,183,798.70 and 9,204,337.80 is: 13,806,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,865.80 : 20,183,798.70 = 9,204,337.80 : x
  2. Step 2: Convert to fraction form
    13,455,865.80/20,183,798.70 = 9,204,337.80/x
  3. Step 3: Cross multiply
    13,455,865.80x = 20,183,798.70 × 9,204,337.80
  4. Step 4: Simplify right side
    13,455,865.80x = 185,778,501,322,000.88
  5. Step 5: Solve for x
    x = 185,778,501,322,000.88/13,455,865.80
  6. Step 6: Final answer
    x = 13,806,506.70

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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.