Home / 20,404,731.04-30,617,769.12-13,214,399.92

Finding the Fourth Proportional to 20,404,731.04, 30,617,769.12 and 13,214,399.92

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Solution

The fourth proportional to 20,404,731.04, 30,617,769.12 and 13,214,399.92 is: 19,828,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404,731.04 : 30,617,769.12 = 13,214,399.92 : x
  2. Step 2: Convert to fraction form
    20,404,731.04/30,617,769.12 = 13,214,399.92/x
  3. Step 3: Cross multiply
    20,404,731.04x = 30,617,769.12 × 13,214,399.92
  4. Step 4: Simplify right side
    20,404,731.04x = 404,595,445,809,906.50
  5. Step 5: Solve for x
    x = 404,595,445,809,906.50/20,404,731.04
  6. Step 6: Final answer
    x = 19,828,511.58

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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.