Home / 12,948,706.20-19,423,059.30-12,395,832.60

Finding the Fourth Proportional to 12,948,706.20, 19,423,059.30 and 12,395,832.60

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Solution

The fourth proportional to 12,948,706.20, 19,423,059.30 and 12,395,832.60 is: 18,593,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,706.20 : 19,423,059.30 = 12,395,832.60 : x
  2. Step 2: Convert to fraction form
    12,948,706.20/19,423,059.30 = 12,395,832.60/x
  3. Step 3: Cross multiply
    12,948,706.20x = 19,423,059.30 × 12,395,832.60
  4. Step 4: Simplify right side
    12,948,706.20x = 240,764,991,662,673.19
  5. Step 5: Solve for x
    x = 240,764,991,662,673.19/12,948,706.20
  6. Step 6: Final answer
    x = 18,593,748.90

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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.