Home / 12,122,032.29-16,728,759.20-6,615,760.30

Finding the Fourth Proportional to 12,122,032.29, 16,728,759.20 and 6,615,760.30

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Solution

The fourth proportional to 12,122,032.29, 16,728,759.20 and 6,615,760.30 is: 9,129,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,032.29 : 16,728,759.20 = 6,615,760.30 : x
  2. Step 2: Convert to fraction form
    12,122,032.29/16,728,759.20 = 6,615,760.30/x
  3. Step 3: Cross multiply
    12,122,032.29x = 16,728,759.20 × 6,615,760.30
  4. Step 4: Simplify right side
    12,122,032.29x = 110,673,460,958,337.27
  5. Step 5: Solve for x
    x = 110,673,460,958,337.27/12,122,032.29
  6. Step 6: Final answer
    x = 9,129,942.76

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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.