Home / 13,069,409.80-19,604,114.70-12,481,544.20

Finding the Fourth Proportional to 13,069,409.80, 19,604,114.70 and 12,481,544.20

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Solution

The fourth proportional to 13,069,409.80, 19,604,114.70 and 12,481,544.20 is: 18,722,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,409.80 : 19,604,114.70 = 12,481,544.20 : x
  2. Step 2: Convert to fraction form
    13,069,409.80/19,604,114.70 = 12,481,544.20/x
  3. Step 3: Cross multiply
    13,069,409.80x = 19,604,114.70 × 12,481,544.20
  4. Step 4: Simplify right side
    13,069,409.80x = 244,689,624,129,919.72
  5. Step 5: Solve for x
    x = 244,689,624,129,919.72/13,069,409.80
  6. Step 6: Final answer
    x = 18,722,316.30

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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.