Home / 14,919,841.68-20,588,203.80-8,392,171.56

Finding the Fourth Proportional to 14,919,841.68, 20,588,203.80 and 8,392,171.56

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Solution

The fourth proportional to 14,919,841.68, 20,588,203.80 and 8,392,171.56 is: 11,580,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,841.68 : 20,588,203.80 = 8,392,171.56 : x
  2. Step 2: Convert to fraction form
    14,919,841.68/20,588,203.80 = 8,392,171.56/x
  3. Step 3: Cross multiply
    14,919,841.68x = 20,588,203.80 × 8,392,171.56
  4. Step 4: Simplify right side
    14,919,841.68x = 172,779,738,401,843.94
  5. Step 5: Solve for x
    x = 172,779,738,401,843.94/14,919,841.68
  6. Step 6: Final answer
    x = 11,580,534.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.