Home / 16,545,859.20-24,821,121.60-5,185,123.20

Finding the Fourth Proportional to 16,545,859.20, 24,821,121.60 and 5,185,123.20

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Solution

The fourth proportional to 16,545,859.20, 24,821,121.60 and 5,185,123.20 is: 7,778,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545,859.20 : 24,821,121.60 = 5,185,123.20 : x
  2. Step 2: Convert to fraction form
    16,545,859.20/24,821,121.60 = 5,185,123.20/x
  3. Step 3: Cross multiply
    16,545,859.20x = 24,821,121.60 × 5,185,123.20
  4. Step 4: Simplify right side
    16,545,859.20x = 128,700,573,458,181.12
  5. Step 5: Solve for x
    x = 128,700,573,458,181.12/16,545,859.20
  6. Step 6: Final answer
    x = 7,778,415.85

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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.