Home / 15,255,258.80-21,052,411.63-8,286,072.41

Finding the Fourth Proportional to 15,255,258.80, 21,052,411.63 and 8,286,072.41

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Solution

The fourth proportional to 15,255,258.80, 21,052,411.63 and 8,286,072.41 is: 11,434,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255,258.80 : 21,052,411.63 = 8,286,072.41 : x
  2. Step 2: Convert to fraction form
    15,255,258.80/21,052,411.63 = 8,286,072.41/x
  3. Step 3: Cross multiply
    15,255,258.80x = 21,052,411.63 × 8,286,072.41
  4. Step 4: Simplify right side
    15,255,258.80x = 174,441,807,203,221.97
  5. Step 5: Solve for x
    x = 174,441,807,203,221.97/15,255,258.80
  6. Step 6: Final answer
    x = 11,434,863.84

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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.