Home / 13,328,358.72-19,992,538.02-3,230,979.72

Finding the Fourth Proportional to 13,328,358.72, 19,992,538.02 and 3,230,979.72

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Solution

The fourth proportional to 13,328,358.72, 19,992,538.02 and 3,230,979.72 is: 4,846,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328,358.72 : 19,992,538.02 = 3,230,979.72 : x
  2. Step 2: Convert to fraction form
    13,328,358.72/19,992,538.02 = 3,230,979.72/x
  3. Step 3: Cross multiply
    13,328,358.72x = 19,992,538.02 × 3,230,979.72
  4. Step 4: Simplify right side
    13,328,358.72x = 64,595,484,893,948.96
  5. Step 5: Solve for x
    x = 64,595,484,893,948.96/13,328,358.72
  6. Step 6: Final answer
    x = 4,846,469.57

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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.