Home / 15,099,551.68-20,839,438.20-8,906,347.84

Finding the Fourth Proportional to 15,099,551.68, 20,839,438.20 and 8,906,347.84

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Solution

The fourth proportional to 15,099,551.68, 20,839,438.20 and 8,906,347.84 is: 12,291,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099,551.68 : 20,839,438.20 = 8,906,347.84 : x
  2. Step 2: Convert to fraction form
    15,099,551.68/20,839,438.20 = 8,906,347.84/x
  3. Step 3: Cross multiply
    15,099,551.68x = 20,839,438.20 × 8,906,347.84
  4. Step 4: Simplify right side
    15,099,551.68x = 185,603,285,399,383.47
  5. Step 5: Solve for x
    x = 185,603,285,399,383.47/15,099,551.68
  6. Step 6: Final answer
    x = 12,291,973.25

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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.