Home / 12,179,746.66-18,273,698.78-3,982,766.89

Finding the Fourth Proportional to 12,179,746.66, 18,273,698.78 and 3,982,766.89

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Solution

The fourth proportional to 12,179,746.66, 18,273,698.78 and 3,982,766.89 is: 5,975,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,746.66 : 18,273,698.78 = 3,982,766.89 : x
  2. Step 2: Convert to fraction form
    12,179,746.66/18,273,698.78 = 3,982,766.89/x
  3. Step 3: Cross multiply
    12,179,746.66x = 18,273,698.78 × 3,982,766.89
  4. Step 4: Simplify right side
    12,179,746.66x = 72,779,882,397,789.81
  5. Step 5: Solve for x
    x = 72,779,882,397,789.81/12,179,746.66
  6. Step 6: Final answer
    x = 5,975,484.09

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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.