Home / 13,052,427.20-19,578,640.80-7,950,593.60

Finding the Fourth Proportional to 13,052,427.20, 19,578,640.80 and 7,950,593.60

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Solution

The fourth proportional to 13,052,427.20, 19,578,640.80 and 7,950,593.60 is: 11,925,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,427.20 : 19,578,640.80 = 7,950,593.60 : x
  2. Step 2: Convert to fraction form
    13,052,427.20/19,578,640.80 = 7,950,593.60/x
  3. Step 3: Cross multiply
    13,052,427.20x = 19,578,640.80 × 7,950,593.60
  4. Step 4: Simplify right side
    13,052,427.20x = 155,661,816,241,178.88
  5. Step 5: Solve for x
    x = 155,661,816,241,178.88/13,052,427.20
  6. Step 6: Final answer
    x = 11,925,890.40

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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.