Home / 21,542,467.30-32,297,630.55-13,021,008.10

Finding the Fourth Proportional to 21,542,467.30, 32,297,630.55 and 13,021,008.10

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Solution

The fourth proportional to 21,542,467.30, 32,297,630.55 and 13,021,008.10 is: 19,521,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,542,467.30 : 32,297,630.55 = 13,021,008.10 : x
  2. Step 2: Convert to fraction form
    21,542,467.30/32,297,630.55 = 13,021,008.10/x
  3. Step 3: Cross multiply
    21,542,467.30x = 32,297,630.55 × 13,021,008.10
  4. Step 4: Simplify right side
    21,542,467.30x = 420,547,709,002,357.44
  5. Step 5: Solve for x
    x = 420,547,709,002,357.44/21,542,467.30
  6. Step 6: Final answer
    x = 19,521,798.65

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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.