Home / 8,665,136.28-11,958,261.84-4,797,657.36

Finding the Fourth Proportional to 8,665,136.28, 11,958,261.84 and 4,797,657.36

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Solution

The fourth proportional to 8,665,136.28, 11,958,261.84 and 4,797,657.36 is: 6,620,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665,136.28 : 11,958,261.84 = 4,797,657.36 : x
  2. Step 2: Convert to fraction form
    8,665,136.28/11,958,261.84 = 4,797,657.36/x
  3. Step 3: Cross multiply
    8,665,136.28x = 11,958,261.84 × 4,797,657.36
  4. Step 4: Simplify right side
    8,665,136.28x = 57,371,642,929,483.15
  5. Step 5: Solve for x
    x = 57,371,642,929,483.15/8,665,136.28
  6. Step 6: Final answer
    x = 6,620,974.11

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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.