Home / 10,512,124.40-15,768,186.60-9,378,383.60

Finding the Fourth Proportional to 10,512,124.40, 15,768,186.60 and 9,378,383.60

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Solution

The fourth proportional to 10,512,124.40, 15,768,186.60 and 9,378,383.60 is: 14,067,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,124.40 : 15,768,186.60 = 9,378,383.60 : x
  2. Step 2: Convert to fraction form
    10,512,124.40/15,768,186.60 = 9,378,383.60/x
  3. Step 3: Cross multiply
    10,512,124.40x = 15,768,186.60 × 9,378,383.60
  4. Step 4: Simplify right side
    10,512,124.40x = 147,880,102,611,179.75
  5. Step 5: Solve for x
    x = 147,880,102,611,179.75/10,512,124.40
  6. Step 6: Final answer
    x = 14,067,575.40

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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.