Home / 22,420,169.82-30,939,929.10-12,630,731.22

Finding the Fourth Proportional to 22,420,169.82, 30,939,929.10 and 12,630,731.22

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Solution

The fourth proportional to 22,420,169.82, 30,939,929.10 and 12,630,731.22 is: 17,430,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420,169.82 : 30,939,929.10 = 12,630,731.22 : x
  2. Step 2: Convert to fraction form
    22,420,169.82/30,939,929.10 = 12,630,731.22/x
  3. Step 3: Cross multiply
    22,420,169.82x = 30,939,929.10 × 12,630,731.22
  4. Step 4: Simplify right side
    22,420,169.82x = 390,793,928,427,956.56
  5. Step 5: Solve for x
    x = 390,793,928,427,956.56/22,420,169.82
  6. Step 6: Final answer
    x = 17,430,462.46

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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.