Home / 10,816,458.91-14,926,716.65-5,921,991.86

Finding the Fourth Proportional to 10,816,458.91, 14,926,716.65 and 5,921,991.86

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Solution

The fourth proportional to 10,816,458.91, 14,926,716.65 and 5,921,991.86 is: 8,172,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816,458.91 : 14,926,716.65 = 5,921,991.86 : x
  2. Step 2: Convert to fraction form
    10,816,458.91/14,926,716.65 = 5,921,991.86/x
  3. Step 3: Cross multiply
    10,816,458.91x = 14,926,716.65 × 5,921,991.86
  4. Step 4: Simplify right side
    10,816,458.91x = 88,395,894,549,948.23
  5. Step 5: Solve for x
    x = 88,395,894,549,948.23/10,816,458.91
  6. Step 6: Final answer
    x = 8,172,350.61

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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.