Home / 13,961,431.80-20,942,147.70-9,709,903.80

Finding the Fourth Proportional to 13,961,431.80, 20,942,147.70 and 9,709,903.80

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Solution

The fourth proportional to 13,961,431.80, 20,942,147.70 and 9,709,903.80 is: 14,564,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961,431.80 : 20,942,147.70 = 9,709,903.80 : x
  2. Step 2: Convert to fraction form
    13,961,431.80/20,942,147.70 = 9,709,903.80/x
  3. Step 3: Cross multiply
    13,961,431.80x = 20,942,147.70 × 9,709,903.80
  4. Step 4: Simplify right side
    13,961,431.80x = 203,346,239,532,391.28
  5. Step 5: Solve for x
    x = 203,346,239,532,391.28/13,961,431.80
  6. Step 6: Final answer
    x = 14,564,855.70

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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.