Home / 10,455,650.60-15,689,619.59-4,389,915.88

Finding the Fourth Proportional to 10,455,650.60, 15,689,619.59 and 4,389,915.88

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Solution

The fourth proportional to 10,455,650.60, 15,689,619.59 and 4,389,915.88 is: 6,587,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,650.60 : 15,689,619.59 = 4,389,915.88 : x
  2. Step 2: Convert to fraction form
    10,455,650.60/15,689,619.59 = 4,389,915.88/x
  3. Step 3: Cross multiply
    10,455,650.60x = 15,689,619.59 × 4,389,915.88
  4. Step 4: Simplify right side
    10,455,650.60x = 68,876,110,200,274.88
  5. Step 5: Solve for x
    x = 68,876,110,200,274.88/10,455,650.60
  6. Step 6: Final answer
    x = 6,587,453.32

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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.