Home / 12,179,800.32-18,273,779.04-3,982,820.56

Finding the Fourth Proportional to 12,179,800.32, 18,273,779.04 and 3,982,820.56

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Solution

The fourth proportional to 12,179,800.32, 18,273,779.04 and 3,982,820.56 is: 5,975,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,800.32 : 18,273,779.04 = 3,982,820.56 : x
  2. Step 2: Convert to fraction form
    12,179,800.32/18,273,779.04 = 3,982,820.56/x
  3. Step 3: Cross multiply
    12,179,800.32x = 18,273,779.04 × 3,982,820.56
  4. Step 4: Simplify right side
    12,179,800.32x = 72,781,182,869,409.06
  5. Step 5: Solve for x
    x = 72,781,182,869,409.06/12,179,800.32
  6. Step 6: Final answer
    x = 5,975,564.54

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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.