Home / 10,892,408.49-15,003,841.55-8,309,605.23

Finding the Fourth Proportional to 10,892,408.49, 15,003,841.55 and 8,309,605.23

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Solution

The fourth proportional to 10,892,408.49, 15,003,841.55 and 8,309,605.23 is: 11,446,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,408.49 : 15,003,841.55 = 8,309,605.23 : x
  2. Step 2: Convert to fraction form
    10,892,408.49/15,003,841.55 = 8,309,605.23/x
  3. Step 3: Cross multiply
    10,892,408.49x = 15,003,841.55 × 8,309,605.23
  4. Step 4: Simplify right side
    10,892,408.49x = 124,676,000,172,423.28
  5. Step 5: Solve for x
    x = 124,676,000,172,423.28/10,892,408.49
  6. Step 6: Final answer
    x = 11,446,137.03

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1.5x scale

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.