Home / 10,078,133.40-15,117,200.10-7,527,216.60

Finding the Fourth Proportional to 10,078,133.40, 15,117,200.10 and 7,527,216.60

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Solution

The fourth proportional to 10,078,133.40, 15,117,200.10 and 7,527,216.60 is: 11,290,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,133.40 : 15,117,200.10 = 7,527,216.60 : x
  2. Step 2: Convert to fraction form
    10,078,133.40/15,117,200.10 = 7,527,216.60/x
  3. Step 3: Cross multiply
    10,078,133.40x = 15,117,200.10 × 7,527,216.60
  4. Step 4: Simplify right side
    10,078,133.40x = 113,790,439,538,241.66
  5. Step 5: Solve for x
    x = 113,790,439,538,241.66/10,078,133.40
  6. Step 6: Final answer
    x = 11,290,824.90

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Similar ratio
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1.5x scale

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.