Home / 21,540,649.04-29,851,853.16-21,131,882.56

Finding the Fourth Proportional to 21,540,649.04, 29,851,853.16 and 21,131,882.56

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Solution

The fourth proportional to 21,540,649.04, 29,851,853.16 and 21,131,882.56 is: 29,285,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540,649.04 : 29,851,853.16 = 21,131,882.56 : x
  2. Step 2: Convert to fraction form
    21,540,649.04/29,851,853.16 = 21,131,882.56/x
  3. Step 3: Cross multiply
    21,540,649.04x = 29,851,853.16 × 21,131,882.56
  4. Step 4: Simplify right side
    21,540,649.04x = 630,825,855,175,484.88
  5. Step 5: Solve for x
    x = 630,825,855,175,484.88/21,540,649.04
  6. Step 6: Final answer
    x = 29,285,368.98

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.