Home / 12,451,336.75-17,182,844.72-7,018,828.75

Finding the Fourth Proportional to 12,451,336.75, 17,182,844.72 and 7,018,828.75

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Solution

The fourth proportional to 12,451,336.75, 17,182,844.72 and 7,018,828.75 is: 9,685,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,336.75 : 17,182,844.72 = 7,018,828.75 : x
  2. Step 2: Convert to fraction form
    12,451,336.75/17,182,844.72 = 7,018,828.75/x
  3. Step 3: Cross multiply
    12,451,336.75x = 17,182,844.72 × 7,018,828.75
  4. Step 4: Simplify right side
    12,451,336.75x = 120,603,444,527,521.69
  5. Step 5: Solve for x
    x = 120,603,444,527,521.69/12,451,336.75
  6. Step 6: Final answer
    x = 9,685,983.68

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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.