Home / 12,481,484.40-18,722,226.60-7,106,713.20

Finding the Fourth Proportional to 12,481,484.40, 18,722,226.60 and 7,106,713.20

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Solution

The fourth proportional to 12,481,484.40, 18,722,226.60 and 7,106,713.20 is: 10,660,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,484.40 : 18,722,226.60 = 7,106,713.20 : x
  2. Step 2: Convert to fraction form
    12,481,484.40/18,722,226.60 = 7,106,713.20/x
  3. Step 3: Cross multiply
    12,481,484.40x = 18,722,226.60 × 7,106,713.20
  4. Step 4: Simplify right side
    12,481,484.40x = 133,053,494,911,611.14
  5. Step 5: Solve for x
    x = 133,053,494,911,611.14/12,481,484.40
  6. Step 6: Final answer
    x = 10,660,069.80

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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.