Home / 18,387,915.30-27,539,882.55-10,829,643.30

Finding the Fourth Proportional to 18,387,915.30, 27,539,882.55 and 10,829,643.30

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Solution

The fourth proportional to 18,387,915.30, 27,539,882.55 and 10,829,643.30 is: 16,219,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387,915.30 : 27,539,882.55 = 10,829,643.30 : x
  2. Step 2: Convert to fraction form
    18,387,915.30/27,539,882.55 = 10,829,643.30/x
  3. Step 3: Cross multiply
    18,387,915.30x = 27,539,882.55 × 10,829,643.30
  4. Step 4: Simplify right side
    18,387,915.30x = 298,247,104,540,394.44
  5. Step 5: Solve for x
    x = 298,247,104,540,394.44/18,387,915.30
  6. Step 6: Final answer
    x = 16,219,734.52

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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.