Home / 12,091,954.20-18,137,931.30-9,700,469.70

Finding the Fourth Proportional to 12,091,954.20, 18,137,931.30 and 9,700,469.70

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Solution

The fourth proportional to 12,091,954.20, 18,137,931.30 and 9,700,469.70 is: 14,550,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,954.20 : 18,137,931.30 = 9,700,469.70 : x
  2. Step 2: Convert to fraction form
    12,091,954.20/18,137,931.30 = 9,700,469.70/x
  3. Step 3: Cross multiply
    12,091,954.20x = 18,137,931.30 × 9,700,469.70
  4. Step 4: Simplify right side
    12,091,954.20x = 175,946,452,996,331.59
  5. Step 5: Solve for x
    x = 175,946,452,996,331.59/12,091,954.20
  6. Step 6: Final answer
    x = 14,550,704.55

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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.