Home / 13,777,725.30-20,617,599.15-12,000,131.70

Finding the Fourth Proportional to 13,777,725.30, 20,617,599.15 and 12,000,131.70

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Solution

The fourth proportional to 13,777,725.30, 20,617,599.15 and 12,000,131.70 is: 17,957,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777,725.30 : 20,617,599.15 = 12,000,131.70 : x
  2. Step 2: Convert to fraction form
    13,777,725.30/20,617,599.15 = 12,000,131.70/x
  3. Step 3: Cross multiply
    13,777,725.30x = 20,617,599.15 × 12,000,131.70
  4. Step 4: Simplify right side
    13,777,725.30x = 247,413,905,137,808.03
  5. Step 5: Solve for x
    x = 247,413,905,137,808.03/13,777,725.30
  6. Step 6: Final answer
    x = 17,957,529.25

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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.