Home / 15,077,211.28-20,806,535.82-8,201,676.94

Finding the Fourth Proportional to 15,077,211.28, 20,806,535.82 and 8,201,676.94

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Solution

The fourth proportional to 15,077,211.28, 20,806,535.82 and 8,201,676.94 is: 11,318,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077,211.28 : 20,806,535.82 = 8,201,676.94 : x
  2. Step 2: Convert to fraction form
    15,077,211.28/20,806,535.82 = 8,201,676.94/x
  3. Step 3: Cross multiply
    15,077,211.28x = 20,806,535.82 × 8,201,676.94
  4. Step 4: Simplify right side
    15,077,211.28x = 170,648,485,036,178
  5. Step 5: Solve for x
    x = 170,648,485,036,178/15,077,211.28
  6. Step 6: Final answer
    x = 11,318,305.61

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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.