Home / 12,954,222.30-19,431,333.45-6,221,012.70

Finding the Fourth Proportional to 12,954,222.30, 19,431,333.45 and 6,221,012.70

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Solution

The fourth proportional to 12,954,222.30, 19,431,333.45 and 6,221,012.70 is: 9,331,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,222.30 : 19,431,333.45 = 6,221,012.70 : x
  2. Step 2: Convert to fraction form
    12,954,222.30/19,431,333.45 = 6,221,012.70/x
  3. Step 3: Cross multiply
    12,954,222.30x = 19,431,333.45 × 6,221,012.70
  4. Step 4: Simplify right side
    12,954,222.30x = 120,882,572,170,384.81
  5. Step 5: Solve for x
    x = 120,882,572,170,384.81/12,954,222.30
  6. Step 6: Final answer
    x = 9,331,519.05

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Similar ratio
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1.5x scale

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.