Home / 10,512,072.40-15,768,108.60-9,378,331.60

Finding the Fourth Proportional to 10,512,072.40, 15,768,108.60 and 9,378,331.60

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Solution

The fourth proportional to 10,512,072.40, 15,768,108.60 and 9,378,331.60 is: 14,067,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,072.40 : 15,768,108.60 = 9,378,331.60 : x
  2. Step 2: Convert to fraction form
    10,512,072.40/15,768,108.60 = 9,378,331.60/x
  3. Step 3: Cross multiply
    10,512,072.40x = 15,768,108.60 × 9,378,331.60
  4. Step 4: Simplify right side
    10,512,072.40x = 147,878,551,155,611.75
  5. Step 5: Solve for x
    x = 147,878,551,155,611.75/10,512,072.40
  6. Step 6: Final answer
    x = 14,067,497.40

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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.