Home / 10,505,486.80-14,497,793.59-5,921,806.96

Finding the Fourth Proportional to 10,505,486.80, 14,497,793.59 and 5,921,806.96

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Solution

The fourth proportional to 10,505,486.80, 14,497,793.59 and 5,921,806.96 is: 8,172,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505,486.80 : 14,497,793.59 = 5,921,806.96 : x
  2. Step 2: Convert to fraction form
    10,505,486.80/14,497,793.59 = 5,921,806.96/x
  3. Step 3: Cross multiply
    10,505,486.80x = 14,497,793.59 × 5,921,806.96
  4. Step 4: Simplify right side
    10,505,486.80x = 85,853,134,913,416.42
  5. Step 5: Solve for x
    x = 85,853,134,913,416.42/10,505,486.80
  6. Step 6: Final answer
    x = 8,172,218.63

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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.