Home / 31,421,786.60-43,358,255.80-17,479,846

Finding the Fourth Proportional to 31,421,786.60, 43,358,255.80 and 17,479,846

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Solution

The fourth proportional to 31,421,786.60, 43,358,255.80 and 17,479,846 is: 24,120,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421,786.60 : 43,358,255.80 = 17,479,846 : x
  2. Step 2: Convert to fraction form
    31,421,786.60/43,358,255.80 = 17,479,846/x
  3. Step 3: Cross multiply
    31,421,786.60x = 43,358,255.80 × 17,479,846
  4. Step 4: Simplify right side
    31,421,786.60x = 757,895,634,212,606.75
  5. Step 5: Solve for x
    x = 757,895,634,212,606.75/31,421,786.60
  6. Step 6: Final answer
    x = 24,120,068.15

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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.