Home / 52,039,898.80-71,814,990-28,836,528.64

Finding the Fourth Proportional to 52,039,898.80, 71,814,990 and 28,836,528.64

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Solution

The fourth proportional to 52,039,898.80, 71,814,990 and 28,836,528.64 is: 39,794,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,039,898.80 : 71,814,990 = 28,836,528.64 : x
  2. Step 2: Convert to fraction form
    52,039,898.80/71,814,990 = 28,836,528.64/x
  3. Step 3: Cross multiply
    52,039,898.80x = 71,814,990 × 28,836,528.64
  4. Step 4: Simplify right side
    52,039,898.80x = 2,070,895,015,916,313.75
  5. Step 5: Solve for x
    x = 2,070,895,015,916,313.75/52,039,898.80
  6. Step 6: Final answer
    x = 39,794,370.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.