Home / 15,153,682.26-20,911,766.40-8,538,611.40

Finding the Fourth Proportional to 15,153,682.26, 20,911,766.40 and 8,538,611.40

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Solution

The fourth proportional to 15,153,682.26, 20,911,766.40 and 8,538,611.40 is: 11,783,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153,682.26 : 20,911,766.40 = 8,538,611.40 : x
  2. Step 2: Convert to fraction form
    15,153,682.26/20,911,766.40 = 8,538,611.40/x
  3. Step 3: Cross multiply
    15,153,682.26x = 20,911,766.40 × 8,538,611.40
  4. Step 4: Simplify right side
    15,153,682.26x = 178,557,446,977,176.97
  5. Step 5: Solve for x
    x = 178,557,446,977,176.97/15,153,682.26
  6. Step 6: Final answer
    x = 11,783,106.17

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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.