Home / 47,847,029.70-71,763,546.15-13,764,821.70

Finding the Fourth Proportional to 47,847,029.70, 71,763,546.15 and 13,764,821.70

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Solution

The fourth proportional to 47,847,029.70, 71,763,546.15 and 13,764,821.70 is: 20,645,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847,029.70 : 71,763,546.15 = 13,764,821.70 : x
  2. Step 2: Convert to fraction form
    47,847,029.70/71,763,546.15 = 13,764,821.70/x
  3. Step 3: Cross multiply
    47,847,029.70x = 71,763,546.15 × 13,764,821.70
  4. Step 4: Simplify right side
    47,847,029.70x = 987,812,417,314,471.50
  5. Step 5: Solve for x
    x = 987,812,417,314,471.50/47,847,029.70
  6. Step 6: Final answer
    x = 20,645,219.22

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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.