Home / 47,847,503.07-71,776,242.45-18,303,635.70

Finding the Fourth Proportional to 47,847,503.07, 71,776,242.45 and 18,303,635.70

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Solution

The fourth proportional to 47,847,503.07, 71,776,242.45 and 18,303,635.70 is: 27,457,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847,503.07 : 71,776,242.45 = 18,303,635.70 : x
  2. Step 2: Convert to fraction form
    47,847,503.07/71,776,242.45 = 18,303,635.70/x
  3. Step 3: Cross multiply
    47,847,503.07x = 71,776,242.45 × 18,303,635.70
  4. Step 4: Simplify right side
    47,847,503.07x = 1,313,766,193,719,675.50
  5. Step 5: Solve for x
    x = 1,313,766,193,719,675.50/47,847,503.07
  6. Step 6: Final answer
    x = 27,457,361.61

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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.