Home / 11,686,874.13-16,127,604.78-6,388,333.56

Finding the Fourth Proportional to 11,686,874.13, 16,127,604.78 and 6,388,333.56

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Solution

The fourth proportional to 11,686,874.13, 16,127,604.78 and 6,388,333.56 is: 8,815,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686,874.13 : 16,127,604.78 = 6,388,333.56 : x
  2. Step 2: Convert to fraction form
    11,686,874.13/16,127,604.78 = 6,388,333.56/x
  3. Step 3: Cross multiply
    11,686,874.13x = 16,127,604.78 × 6,388,333.56
  4. Step 4: Simplify right side
    11,686,874.13x = 103,028,518,858,490.41
  5. Step 5: Solve for x
    x = 103,028,518,858,490.41/11,686,874.13
  6. Step 6: Final answer
    x = 8,815,746.43

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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.