Home / 7,826,420.31-11,740,434.87-2,708,841.84

Finding the Fourth Proportional to 7,826,420.31, 11,740,434.87 and 2,708,841.84

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Solution

The fourth proportional to 7,826,420.31, 11,740,434.87 and 2,708,841.84 is: 4,063,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826,420.31 : 11,740,434.87 = 2,708,841.84 : x
  2. Step 2: Convert to fraction form
    7,826,420.31/11,740,434.87 = 2,708,841.84/x
  3. Step 3: Cross multiply
    7,826,420.31x = 11,740,434.87 × 2,708,841.84
  4. Step 4: Simplify right side
    7,826,420.31x = 31,802,981,195,650.96
  5. Step 5: Solve for x
    x = 31,802,981,195,650.96/7,826,420.31
  6. Step 6: Final answer
    x = 4,063,541.18

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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.