Home / 19,855,982.35-29,785,690.32-5,479,050.79

Finding the Fourth Proportional to 19,855,982.35, 29,785,690.32 and 5,479,050.79

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Solution

The fourth proportional to 19,855,982.35, 29,785,690.32 and 5,479,050.79 is: 8,219,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855,982.35 : 29,785,690.32 = 5,479,050.79 : x
  2. Step 2: Convert to fraction form
    19,855,982.35/29,785,690.32 = 5,479,050.79/x
  3. Step 3: Cross multiply
    19,855,982.35x = 29,785,690.32 × 5,479,050.79
  4. Step 4: Simplify right side
    19,855,982.35x = 163,197,310,078,491.34
  5. Step 5: Solve for x
    x = 163,197,310,078,491.34/19,855,982.35
  6. Step 6: Final answer
    x = 8,219,049.92

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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.