Home / 28,003,251.40-42,004,877.10-18,448,102.60

Finding the Fourth Proportional to 28,003,251.40, 42,004,877.10 and 18,448,102.60

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Solution

The fourth proportional to 28,003,251.40, 42,004,877.10 and 18,448,102.60 is: 27,672,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,251.40 : 42,004,877.10 = 18,448,102.60 : x
  2. Step 2: Convert to fraction form
    28,003,251.40/42,004,877.10 = 18,448,102.60/x
  3. Step 3: Cross multiply
    28,003,251.40x = 42,004,877.10 × 18,448,102.60
  4. Step 4: Simplify right side
    28,003,251.40x = 774,910,282,441,190.50
  5. Step 5: Solve for x
    x = 774,910,282,441,190.50/28,003,251.40
  6. Step 6: Final answer
    x = 27,672,153.90

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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.