Home / 12,145,838.73-16,761,258.24-6,639,235.41

Finding the Fourth Proportional to 12,145,838.73, 16,761,258.24 and 6,639,235.41

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Solution

The fourth proportional to 12,145,838.73, 16,761,258.24 and 6,639,235.41 is: 9,162,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,838.73 : 16,761,258.24 = 6,639,235.41 : x
  2. Step 2: Convert to fraction form
    12,145,838.73/16,761,258.24 = 6,639,235.41/x
  3. Step 3: Cross multiply
    12,145,838.73x = 16,761,258.24 × 6,639,235.41
  4. Step 4: Simplify right side
    12,145,838.73x = 111,281,939,223,162.28
  5. Step 5: Solve for x
    x = 111,281,939,223,162.28/12,145,838.73
  6. Step 6: Final answer
    x = 9,162,145.30

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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.