Home / 9,678,814.20-14,528,718.90-5,427,286.20

Finding the Fourth Proportional to 9,678,814.20, 14,528,718.90 and 5,427,286.20

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Solution

The fourth proportional to 9,678,814.20, 14,528,718.90 and 5,427,286.20 is: 8,146,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678,814.20 : 14,528,718.90 = 5,427,286.20 : x
  2. Step 2: Convert to fraction form
    9,678,814.20/14,528,718.90 = 5,427,286.20/x
  3. Step 3: Cross multiply
    9,678,814.20x = 14,528,718.90 × 5,427,286.20
  4. Step 4: Simplify right side
    9,678,814.20x = 78,851,515,589,649.19
  5. Step 5: Solve for x
    x = 78,851,515,589,649.19/9,678,814.20
  6. Step 6: Final answer
    x = 8,146,815.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.