Home / 13,240,296.40-18,279,760.74-10,498,060.84

Finding the Fourth Proportional to 13,240,296.40, 18,279,760.74 and 10,498,060.84

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Solution

The fourth proportional to 13,240,296.40, 18,279,760.74 and 10,498,060.84 is: 14,493,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240,296.40 : 18,279,760.74 = 10,498,060.84 : x
  2. Step 2: Convert to fraction form
    13,240,296.40/18,279,760.74 = 10,498,060.84/x
  3. Step 3: Cross multiply
    13,240,296.40x = 18,279,760.74 × 10,498,060.84
  4. Step 4: Simplify right side
    13,240,296.40x = 191,902,040,297,764.62
  5. Step 5: Solve for x
    x = 191,902,040,297,764.62/13,240,296.40
  6. Step 6: Final answer
    x = 14,493,787.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.