Home / 22,721,959.41-31,356,419.05-12,408,682.20

Finding the Fourth Proportional to 22,721,959.41, 31,356,419.05 and 12,408,682.20

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Solution

The fourth proportional to 22,721,959.41, 31,356,419.05 and 12,408,682.20 is: 17,124,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721,959.41 : 31,356,419.05 = 12,408,682.20 : x
  2. Step 2: Convert to fraction form
    22,721,959.41/31,356,419.05 = 12,408,682.20/x
  3. Step 3: Cross multiply
    22,721,959.41x = 31,356,419.05 × 12,408,682.20
  4. Step 4: Simplify right side
    22,721,959.41x = 389,091,838,921,475.88
  5. Step 5: Solve for x
    x = 389,091,838,921,475.88/22,721,959.41
  6. Step 6: Final answer
    x = 17,124,044.27

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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.