Home / 49,046,786.40-67,684,519.44-28,432,182.72

Finding the Fourth Proportional to 49,046,786.40, 67,684,519.44 and 28,432,182.72

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Solution

The fourth proportional to 49,046,786.40, 67,684,519.44 and 28,432,182.72 is: 39,236,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,046,786.40 : 67,684,519.44 = 28,432,182.72 : x
  2. Step 2: Convert to fraction form
    49,046,786.40/67,684,519.44 = 28,432,182.72/x
  3. Step 3: Cross multiply
    49,046,786.40x = 67,684,519.44 × 28,432,182.72
  4. Step 4: Simplify right side
    49,046,786.40x = 1,924,418,624,033,472
  5. Step 5: Solve for x
    x = 1,924,418,624,033,472/49,046,786.40
  6. Step 6: Final answer
    x = 39,236,385.61

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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.