Home / 15,443,163.08-21,311,556.80-8,473,886.40

Finding the Fourth Proportional to 15,443,163.08, 21,311,556.80 and 8,473,886.40

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Solution

The fourth proportional to 15,443,163.08, 21,311,556.80 and 8,473,886.40 is: 11,693,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443,163.08 : 21,311,556.80 = 8,473,886.40 : x
  2. Step 2: Convert to fraction form
    15,443,163.08/21,311,556.80 = 8,473,886.40/x
  3. Step 3: Cross multiply
    15,443,163.08x = 21,311,556.80 × 8,473,886.40
  4. Step 4: Simplify right side
    15,443,163.08x = 180,591,711,287,978.12
  5. Step 5: Solve for x
    x = 180,591,711,287,978.12/15,443,163.08
  6. Step 6: Final answer
    x = 11,693,958.71

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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.