Home / 8,618,955.52-11,892,043.99-5,678,446.54

Finding the Fourth Proportional to 8,618,955.52, 11,892,043.99 and 5,678,446.54

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Solution

The fourth proportional to 8,618,955.52, 11,892,043.99 and 5,678,446.54 is: 7,834,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618,955.52 : 11,892,043.99 = 5,678,446.54 : x
  2. Step 2: Convert to fraction form
    8,618,955.52/11,892,043.99 = 5,678,446.54/x
  3. Step 3: Cross multiply
    8,618,955.52x = 11,892,043.99 × 5,678,446.54
  4. Step 4: Simplify right side
    8,618,955.52x = 67,528,335,971,672.40
  5. Step 5: Solve for x
    x = 67,528,335,971,672.40/8,618,955.52
  6. Step 6: Final answer
    x = 7,834,863.04

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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.