Home / 13,069,336.80-19,604,005.20-12,481,471.20

Finding the Fourth Proportional to 13,069,336.80, 19,604,005.20 and 12,481,471.20

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Solution

The fourth proportional to 13,069,336.80, 19,604,005.20 and 12,481,471.20 is: 18,722,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,336.80 : 19,604,005.20 = 12,481,471.20 : x
  2. Step 2: Convert to fraction form
    13,069,336.80/19,604,005.20 = 12,481,471.20/x
  3. Step 3: Cross multiply
    13,069,336.80x = 19,604,005.20 × 12,481,471.20
  4. Step 4: Simplify right side
    13,069,336.80x = 244,686,826,308,450.22
  5. Step 5: Solve for x
    x = 244,686,826,308,450.22/13,069,336.80
  6. Step 6: Final answer
    x = 18,722,206.80

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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.