Home / 13,771,893.78-20,658,997.10-4,187,355.34

Finding the Fourth Proportional to 13,771,893.78, 20,658,997.10 and 4,187,355.34

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Solution

The fourth proportional to 13,771,893.78, 20,658,997.10 and 4,187,355.34 is: 6,281,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,893.78 : 20,658,997.10 = 4,187,355.34 : x
  2. Step 2: Convert to fraction form
    13,771,893.78/20,658,997.10 = 4,187,355.34/x
  3. Step 3: Cross multiply
    13,771,893.78x = 20,658,997.10 × 4,187,355.34
  4. Step 4: Simplify right side
    13,771,893.78x = 86,506,561,825,729.52
  5. Step 5: Solve for x
    x = 86,506,561,825,729.52/13,771,893.78
  6. Step 6: Final answer
    x = 6,281,384.62

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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.