Home / 12,456,016.81-18,692,364.52-5,169,482.64

Finding the Fourth Proportional to 12,456,016.81, 18,692,364.52 and 5,169,482.64

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Solution

The fourth proportional to 12,456,016.81, 18,692,364.52 and 5,169,482.64 is: 7,757,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,016.81 : 18,692,364.52 = 5,169,482.64 : x
  2. Step 2: Convert to fraction form
    12,456,016.81/18,692,364.52 = 5,169,482.64/x
  3. Step 3: Cross multiply
    12,456,016.81x = 18,692,364.52 × 5,169,482.64
  4. Step 4: Simplify right side
    12,456,016.81x = 96,629,853,807,022.41
  5. Step 5: Solve for x
    x = 96,629,853,807,022.41/12,456,016.81
  6. Step 6: Final answer
    x = 7,757,684.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.