Home / 12,234,720.80-18,352,016.40-3,136,800.80

Finding the Fourth Proportional to 12,234,720.80, 18,352,016.40 and 3,136,800.80

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Solution

The fourth proportional to 12,234,720.80, 18,352,016.40 and 3,136,800.80 is: 4,705,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234,720.80 : 18,352,016.40 = 3,136,800.80 : x
  2. Step 2: Convert to fraction form
    12,234,720.80/18,352,016.40 = 3,136,800.80/x
  3. Step 3: Cross multiply
    12,234,720.80x = 18,352,016.40 × 3,136,800.80
  4. Step 4: Simplify right side
    12,234,720.80x = 57,566,619,725,133.11
  5. Step 5: Solve for x
    x = 57,566,619,725,133.11/12,234,720.80
  6. Step 6: Final answer
    x = 4,705,184.59

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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.