Home / 13,513,769.79-20,273,262.68-4,413,420.86

Finding the Fourth Proportional to 13,513,769.79, 20,273,262.68 and 4,413,420.86

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Solution

The fourth proportional to 13,513,769.79, 20,273,262.68 and 4,413,420.86 is: 6,620,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,769.79 : 20,273,262.68 = 4,413,420.86 : x
  2. Step 2: Convert to fraction form
    13,513,769.79/20,273,262.68 = 4,413,420.86/x
  3. Step 3: Cross multiply
    13,513,769.79x = 20,273,262.68 × 4,413,420.86
  4. Step 4: Simplify right side
    13,513,769.79x = 89,474,440,321,838.75
  5. Step 5: Solve for x
    x = 89,474,440,321,838.75/13,513,769.79
  6. Step 6: Final answer
    x = 6,620,983.02

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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.