Home / 12,484,633.20-18,732,198.60-6,808,930.80

Finding the Fourth Proportional to 12,484,633.20, 18,732,198.60 and 6,808,930.80

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Solution

The fourth proportional to 12,484,633.20, 18,732,198.60 and 6,808,930.80 is: 10,216,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,633.20 : 18,732,198.60 = 6,808,930.80 : x
  2. Step 2: Convert to fraction form
    12,484,633.20/18,732,198.60 = 6,808,930.80/x
  3. Step 3: Cross multiply
    12,484,633.20x = 18,732,198.60 × 6,808,930.80
  4. Step 4: Simplify right side
    12,484,633.20x = 127,546,243,999,256.89
  5. Step 5: Solve for x
    x = 127,546,243,999,256.89/12,484,633.20
  6. Step 6: Final answer
    x = 10,216,258.82

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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.