Home / 20,489,300.46-30,735,153.54-7,709,915.88

Finding the Fourth Proportional to 20,489,300.46, 30,735,153.54 and 7,709,915.88

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Solution

The fourth proportional to 20,489,300.46, 30,735,153.54 and 7,709,915.88 is: 11,565,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489,300.46 : 30,735,153.54 = 7,709,915.88 : x
  2. Step 2: Convert to fraction form
    20,489,300.46/30,735,153.54 = 7,709,915.88/x
  3. Step 3: Cross multiply
    20,489,300.46x = 30,735,153.54 × 7,709,915.88
  4. Step 4: Simplify right side
    20,489,300.46x = 236,965,448,352,284.22
  5. Step 5: Solve for x
    x = 236,965,448,352,284.22/20,489,300.46
  6. Step 6: Final answer
    x = 11,565,326.44

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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.