Home / 10,990,800.18-15,149,779.38-8,663,898.06

Finding the Fourth Proportional to 10,990,800.18, 15,149,779.38 and 8,663,898.06

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Solution

The fourth proportional to 10,990,800.18, 15,149,779.38 and 8,663,898.06 is: 11,942,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,800.18 : 15,149,779.38 = 8,663,898.06 : x
  2. Step 2: Convert to fraction form
    10,990,800.18/15,149,779.38 = 8,663,898.06/x
  3. Step 3: Cross multiply
    10,990,800.18x = 15,149,779.38 × 8,663,898.06
  4. Step 4: Simplify right side
    10,990,800.18x = 131,256,144,179,810.02
  5. Step 5: Solve for x
    x = 131,256,144,179,810.02/10,990,800.18
  6. Step 6: Final answer
    x = 11,942,364.71

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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.