Home / 8,791,998.80-13,187,998.20-6,636,491.60

Finding the Fourth Proportional to 8,791,998.80, 13,187,998.20 and 6,636,491.60

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Solution

The fourth proportional to 8,791,998.80, 13,187,998.20 and 6,636,491.60 is: 9,954,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,998.80 : 13,187,998.20 = 6,636,491.60 : x
  2. Step 2: Convert to fraction form
    8,791,998.80/13,187,998.20 = 6,636,491.60/x
  3. Step 3: Cross multiply
    8,791,998.80x = 13,187,998.20 × 6,636,491.60
  4. Step 4: Simplify right side
    8,791,998.80x = 87,522,039,275,115.11
  5. Step 5: Solve for x
    x = 87,522,039,275,115.11/8,791,998.80
  6. Step 6: Final answer
    x = 9,954,737.40

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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.