Home / 13,028,655.40-19,542,983.10-9,669,423.40

Finding the Fourth Proportional to 13,028,655.40, 19,542,983.10 and 9,669,423.40

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Solution

The fourth proportional to 13,028,655.40, 19,542,983.10 and 9,669,423.40 is: 14,504,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,655.40 : 19,542,983.10 = 9,669,423.40 : x
  2. Step 2: Convert to fraction form
    13,028,655.40/19,542,983.10 = 9,669,423.40/x
  3. Step 3: Cross multiply
    13,028,655.40x = 19,542,983.10 × 9,669,423.40
  4. Step 4: Simplify right side
    13,028,655.40x = 188,969,378,092,944.56
  5. Step 5: Solve for x
    x = 188,969,378,092,944.56/13,028,655.40
  6. Step 6: Final answer
    x = 14,504,135.10

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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.