Home / 15,838,631.51-21,857,311.49-8,595,287.51

Finding the Fourth Proportional to 15,838,631.51, 21,857,311.49 and 8,595,287.51

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Solution

The fourth proportional to 15,838,631.51, 21,857,311.49 and 8,595,287.51 is: 11,861,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838,631.51 : 21,857,311.49 = 8,595,287.51 : x
  2. Step 2: Convert to fraction form
    15,838,631.51/21,857,311.49 = 8,595,287.51/x
  3. Step 3: Cross multiply
    15,838,631.51x = 21,857,311.49 × 8,595,287.51
  4. Step 4: Simplify right side
    15,838,631.51x = 187,869,876,299,913.50
  5. Step 5: Solve for x
    x = 187,869,876,299,913.50/15,838,631.51
  6. Step 6: Final answer
    x = 11,861,496.76

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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.