Home / 12,286,868.06-18,430,236.45-3,188,959.00

Finding the Fourth Proportional to 12,286,868.06, 18,430,236.45 and 3,188,959.00

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Solution

The fourth proportional to 12,286,868.06, 18,430,236.45 and 3,188,959.00 is: 4,783,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,868.06 : 18,430,236.45 = 3,188,959.00 : x
  2. Step 2: Convert to fraction form
    12,286,868.06/18,430,236.45 = 3,188,959.00/x
  3. Step 3: Cross multiply
    12,286,868.06x = 18,430,236.45 × 3,188,959.00
  4. Step 4: Simplify right side
    12,286,868.06x = 58,773,268,353,279.96
  5. Step 5: Solve for x
    x = 58,773,268,353,279.96/12,286,868.06
  6. Step 6: Final answer
    x = 4,783,421.46

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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.