Home / 13,312,004.67-19,979,337.49-5,230,631.43

Finding the Fourth Proportional to 13,312,004.67, 19,979,337.49 and 5,230,631.43

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Solution

The fourth proportional to 13,312,004.67, 19,979,337.49 and 5,230,631.43 is: 7,850,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,004.67 : 19,979,337.49 = 5,230,631.43 : x
  2. Step 2: Convert to fraction form
    13,312,004.67/19,979,337.49 = 5,230,631.43/x
  3. Step 3: Cross multiply
    13,312,004.67x = 19,979,337.49 × 5,230,631.43
  4. Step 4: Simplify right side
    13,312,004.67x = 104,504,550,612,694.73
  5. Step 5: Solve for x
    x = 104,504,550,612,694.73/13,312,004.67
  6. Step 6: Final answer
    x = 7,850,399.19

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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.