Home / 10,856,615.10-16,284,922.65-5,537,139.90

Finding the Fourth Proportional to 10,856,615.10, 16,284,922.65 and 5,537,139.90

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Solution

The fourth proportional to 10,856,615.10, 16,284,922.65 and 5,537,139.90 is: 8,305,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,615.10 : 16,284,922.65 = 5,537,139.90 : x
  2. Step 2: Convert to fraction form
    10,856,615.10/16,284,922.65 = 5,537,139.90/x
  3. Step 3: Cross multiply
    10,856,615.10x = 16,284,922.65 × 5,537,139.90
  4. Step 4: Simplify right side
    10,856,615.10x = 90,171,894,973,728.75
  5. Step 5: Solve for x
    x = 90,171,894,973,728.75/10,856,615.10
  6. Step 6: Final answer
    x = 8,305,709.85

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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.