Home / 13,885,654.22-20,829,851.78-4,786,553.91

Finding the Fourth Proportional to 13,885,654.22, 20,829,851.78 and 4,786,553.91

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Solution

The fourth proportional to 13,885,654.22, 20,829,851.78 and 4,786,553.91 is: 7,180,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,654.22 : 20,829,851.78 = 4,786,553.91 : x
  2. Step 2: Convert to fraction form
    13,885,654.22/20,829,851.78 = 4,786,553.91/x
  3. Step 3: Cross multiply
    13,885,654.22x = 20,829,851.78 × 4,786,553.91
  4. Step 4: Simplify right side
    13,885,654.22x = 99,703,208,458,346.69
  5. Step 5: Solve for x
    x = 99,703,208,458,346.69/13,885,654.22
  6. Step 6: Final answer
    x = 7,180,303.28

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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.