Home / 10,877,998.20-16,299,282.60-8,008,216.80

Finding the Fourth Proportional to 10,877,998.20, 16,299,282.60 and 8,008,216.80

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Solution

The fourth proportional to 10,877,998.20, 16,299,282.60 and 8,008,216.80 is: 11,999,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877,998.20 : 16,299,282.60 = 8,008,216.80 : x
  2. Step 2: Convert to fraction form
    10,877,998.20/16,299,282.60 = 8,008,216.80/x
  3. Step 3: Cross multiply
    10,877,998.20x = 16,299,282.60 × 8,008,216.80
  4. Step 4: Simplify right side
    10,877,998.20x = 130,528,188,745,267.67
  5. Step 5: Solve for x
    x = 130,528,188,745,267.67/10,877,998.20
  6. Step 6: Final answer
    x = 11,999,283.91

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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.