Home / 15,487,525.11-21,371,906.79-8,611,859.55

Finding the Fourth Proportional to 15,487,525.11, 21,371,906.79 and 8,611,859.55

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Solution

The fourth proportional to 15,487,525.11, 21,371,906.79 and 8,611,859.55 is: 11,883,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,525.11 : 21,371,906.79 = 8,611,859.55 : x
  2. Step 2: Convert to fraction form
    15,487,525.11/21,371,906.79 = 8,611,859.55/x
  3. Step 3: Cross multiply
    15,487,525.11x = 21,371,906.79 × 8,611,859.55
  4. Step 4: Simplify right side
    15,487,525.11x = 184,051,859,591,171.34
  5. Step 5: Solve for x
    x = 184,051,859,591,171.34/15,487,525.11
  6. Step 6: Final answer
    x = 11,883,878.04

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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.