Home / 22,587,570-31,175,045.64-12,929,778

Finding the Fourth Proportional to 22,587,570, 31,175,045.64 and 12,929,778

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Solution

The fourth proportional to 22,587,570, 31,175,045.64 and 12,929,778 is: 17,845,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,587,570 : 31,175,045.64 = 12,929,778 : x
  2. Step 2: Convert to fraction form
    22,587,570/31,175,045.64 = 12,929,778/x
  3. Step 3: Cross multiply
    22,587,570x = 31,175,045.64 × 12,929,778
  4. Step 4: Simplify right side
    22,587,570x = 403,086,419,265,067.94
  5. Step 5: Solve for x
    x = 403,086,419,265,067.94/22,587,570
  6. Step 6: Final answer
    x = 17,845,497.29

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1.5x scale

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.