Home / 29,128,015.40-43,702,520.70-12,100,908.20

Finding the Fourth Proportional to 29,128,015.40, 43,702,520.70 and 12,100,908.20

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Solution

The fourth proportional to 29,128,015.40, 43,702,520.70 and 12,100,908.20 is: 18,155,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128,015.40 : 43,702,520.70 = 12,100,908.20 : x
  2. Step 2: Convert to fraction form
    29,128,015.40/43,702,520.70 = 12,100,908.20/x
  3. Step 3: Cross multiply
    29,128,015.40x = 43,702,520.70 × 12,100,908.20
  4. Step 4: Simplify right side
    29,128,015.40x = 528,840,191,099,299.75
  5. Step 5: Solve for x
    x = 528,840,191,099,299.75/29,128,015.40
  6. Step 6: Final answer
    x = 18,155,723.41

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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.