Home / 10,996,821.20-16,495,231.80-9,579,645.20

Finding the Fourth Proportional to 10,996,821.20, 16,495,231.80 and 9,579,645.20

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Solution

The fourth proportional to 10,996,821.20, 16,495,231.80 and 9,579,645.20 is: 14,369,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996,821.20 : 16,495,231.80 = 9,579,645.20 : x
  2. Step 2: Convert to fraction form
    10,996,821.20/16,495,231.80 = 9,579,645.20/x
  3. Step 3: Cross multiply
    10,996,821.20x = 16,495,231.80 × 9,579,645.20
  4. Step 4: Simplify right side
    10,996,821.20x = 158,018,468,135,757.34
  5. Step 5: Solve for x
    x = 158,018,468,135,757.34/10,996,821.20
  6. Step 6: Final answer
    x = 14,369,467.80

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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.