Home / 12,074,018.81-16,660,632.62-8,162,285.00

Finding the Fourth Proportional to 12,074,018.81, 16,660,632.62 and 8,162,285.00

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Solution

The fourth proportional to 12,074,018.81, 16,660,632.62 and 8,162,285.00 is: 11,262,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,018.81 : 16,660,632.62 = 8,162,285.00 : x
  2. Step 2: Convert to fraction form
    12,074,018.81/16,660,632.62 = 8,162,285.00/x
  3. Step 3: Cross multiply
    12,074,018.81x = 16,660,632.62 × 8,162,285.00
  4. Step 4: Simplify right side
    12,074,018.81x = 135,988,831,725,576.86
  5. Step 5: Solve for x
    x = 135,988,831,725,576.86/12,074,018.81
  6. Step 6: Final answer
    x = 11,262,930.25

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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.