Home / 11,818,689-16,317,381.69-7,414,453.11

Finding the Fourth Proportional to 11,818,689, 16,317,381.69 and 7,414,453.11

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Solution

The fourth proportional to 11,818,689, 16,317,381.69 and 7,414,453.11 is: 10,236,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818,689 : 16,317,381.69 = 7,414,453.11 : x
  2. Step 2: Convert to fraction form
    11,818,689/16,317,381.69 = 7,414,453.11/x
  3. Step 3: Cross multiply
    11,818,689x = 16,317,381.69 × 7,414,453.11
  4. Step 4: Simplify right side
    11,818,689x = 120,984,461,418,477.56
  5. Step 5: Solve for x
    x = 120,984,461,418,477.56/11,818,689
  6. Step 6: Final answer
    x = 10,236,707.42

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Double scale
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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.