Home / 12,472,713.20-18,705,181.80-4,901,999.60

Finding the Fourth Proportional to 12,472,713.20, 18,705,181.80 and 4,901,999.60

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Solution

The fourth proportional to 12,472,713.20, 18,705,181.80 and 4,901,999.60 is: 7,351,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,713.20 : 18,705,181.80 = 4,901,999.60 : x
  2. Step 2: Convert to fraction form
    12,472,713.20/18,705,181.80 = 4,901,999.60/x
  3. Step 3: Cross multiply
    12,472,713.20x = 18,705,181.80 × 4,901,999.60
  4. Step 4: Simplify right side
    12,472,713.20x = 91,692,793,701,527.28
  5. Step 5: Solve for x
    x = 91,692,793,701,527.28/12,472,713.20
  6. Step 6: Final answer
    x = 7,351,471.35

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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.