Home / 13,857,021.80-20,769,980.70-6,671,997.80

Finding the Fourth Proportional to 13,857,021.80, 20,769,980.70 and 6,671,997.80

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Solution

The fourth proportional to 13,857,021.80, 20,769,980.70 and 6,671,997.80 is: 10,000,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,021.80 : 20,769,980.70 = 6,671,997.80 : x
  2. Step 2: Convert to fraction form
    13,857,021.80/20,769,980.70 = 6,671,997.80/x
  3. Step 3: Cross multiply
    13,857,021.80x = 20,769,980.70 × 6,671,997.80
  4. Step 4: Simplify right side
    13,857,021.80x = 138,577,265,536,442.45
  5. Step 5: Solve for x
    x = 138,577,265,536,442.45/13,857,021.80
  6. Step 6: Final answer
    x = 10,000,508.59

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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.