Home / 6,918,520.86-10,368,779.76-2,815,059.87

Finding the Fourth Proportional to 6,918,520.86, 10,368,779.76 and 2,815,059.87

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Solution

The fourth proportional to 6,918,520.86, 10,368,779.76 and 2,815,059.87 is: 4,218,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,520.86 : 10,368,779.76 = 2,815,059.87 : x
  2. Step 2: Convert to fraction form
    6,918,520.86/10,368,779.76 = 2,815,059.87/x
  3. Step 3: Cross multiply
    6,918,520.86x = 10,368,779.76 × 2,815,059.87
  4. Step 4: Simplify right side
    6,918,520.86x = 29,188,735,803,244.23
  5. Step 5: Solve for x
    x = 29,188,735,803,244.23/6,918,520.86
  6. Step 6: Final answer
    x = 4,218,927.19

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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.