Home / 13,899,043.91-19,180,647.39-7,619,560.02

Finding the Fourth Proportional to 13,899,043.91, 19,180,647.39 and 7,619,560.02

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Solution

The fourth proportional to 13,899,043.91, 19,180,647.39 and 7,619,560.02 is: 10,514,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,043.91 : 19,180,647.39 = 7,619,560.02 : x
  2. Step 2: Convert to fraction form
    13,899,043.91/19,180,647.39 = 7,619,560.02/x
  3. Step 3: Cross multiply
    13,899,043.91x = 19,180,647.39 × 7,619,560.02
  4. Step 4: Simplify right side
    13,899,043.91x = 146,148,094,039,134.69
  5. Step 5: Solve for x
    x = 146,148,094,039,134.69/13,899,043.91
  6. Step 6: Final answer
    x = 10,514,974.62

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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.