Home / 7,898,166.30-11,847,249.45-3,857,246.40

Finding the Fourth Proportional to 7,898,166.30, 11,847,249.45 and 3,857,246.40

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Solution

The fourth proportional to 7,898,166.30, 11,847,249.45 and 3,857,246.40 is: 5,785,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,166.30 : 11,847,249.45 = 3,857,246.40 : x
  2. Step 2: Convert to fraction form
    7,898,166.30/11,847,249.45 = 3,857,246.40/x
  3. Step 3: Cross multiply
    7,898,166.30x = 11,847,249.45 × 3,857,246.40
  4. Step 4: Simplify right side
    7,898,166.30x = 45,697,760,290,914.48
  5. Step 5: Solve for x
    x = 45,697,760,290,914.48/7,898,166.30
  6. Step 6: Final answer
    x = 5,785,869.60

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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.