Home / 12,145,837.73-16,761,256.86-6,639,234.41

Finding the Fourth Proportional to 12,145,837.73, 16,761,256.86 and 6,639,234.41

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Solution

The fourth proportional to 12,145,837.73, 16,761,256.86 and 6,639,234.41 is: 9,162,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,837.73 : 16,761,256.86 = 6,639,234.41 : x
  2. Step 2: Convert to fraction form
    12,145,837.73/16,761,256.86 = 6,639,234.41/x
  3. Step 3: Cross multiply
    12,145,837.73x = 16,761,256.86 × 6,639,234.41
  4. Step 4: Simplify right side
    12,145,837.73x = 111,281,913,215,954.27
  5. Step 5: Solve for x
    x = 111,281,913,215,954.27/12,145,837.73
  6. Step 6: Final answer
    x = 9,162,143.92

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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.