Home / 12,539,297.89-17,296,882.04-7,885,701.55

Finding the Fourth Proportional to 12,539,297.89, 17,296,882.04 and 7,885,701.55

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Solution

The fourth proportional to 12,539,297.89, 17,296,882.04 and 7,885,701.55 is: 10,877,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,297.89 : 17,296,882.04 = 7,885,701.55 : x
  2. Step 2: Convert to fraction form
    12,539,297.89/17,296,882.04 = 7,885,701.55/x
  3. Step 3: Cross multiply
    12,539,297.89x = 17,296,882.04 × 7,885,701.55
  4. Step 4: Simplify right side
    12,539,297.89x = 136,398,049,489,467.22
  5. Step 5: Solve for x
    x = 136,398,049,489,467.22/12,539,297.89
  6. Step 6: Final answer
    x = 10,877,646.48

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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.