Home / 31,178,728.80-46,733,101.20-15,012,424.80

Finding the Fourth Proportional to 31,178,728.80, 46,733,101.20 and 15,012,424.80

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Solution

The fourth proportional to 31,178,728.80, 46,733,101.20 and 15,012,424.80 is: 22,501,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178,728.80 : 46,733,101.20 = 15,012,424.80 : x
  2. Step 2: Convert to fraction form
    31,178,728.80/46,733,101.20 = 15,012,424.80/x
  3. Step 3: Cross multiply
    31,178,728.80x = 46,733,101.20 × 15,012,424.80
  4. Step 4: Simplify right side
    31,178,728.80x = 701,577,167,435,789.88
  5. Step 5: Solve for x
    x = 701,577,167,435,789.88/31,178,728.80
  6. Step 6: Final answer
    x = 22,501,788.70

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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.