Home / 10,380,887.60-15,571,331.40-9,783,016.48

Finding the Fourth Proportional to 10,380,887.60, 15,571,331.40 and 9,783,016.48

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Solution

The fourth proportional to 10,380,887.60, 15,571,331.40 and 9,783,016.48 is: 14,674,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,887.60 : 15,571,331.40 = 9,783,016.48 : x
  2. Step 2: Convert to fraction form
    10,380,887.60/15,571,331.40 = 9,783,016.48/x
  3. Step 3: Cross multiply
    10,380,887.60x = 15,571,331.40 × 9,783,016.48
  4. Step 4: Simplify right side
    10,380,887.60x = 152,334,591,623,884.81
  5. Step 5: Solve for x
    x = 152,334,591,623,884.81/10,380,887.60
  6. Step 6: Final answer
    x = 14,674,524.71

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Double scale
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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.