Home / 20,339,651.40-30,509,477.10-6,876,479.40

Finding the Fourth Proportional to 20,339,651.40, 30,509,477.10 and 6,876,479.40

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Solution

The fourth proportional to 20,339,651.40, 30,509,477.10 and 6,876,479.40 is: 10,314,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339,651.40 : 30,509,477.10 = 6,876,479.40 : x
  2. Step 2: Convert to fraction form
    20,339,651.40/30,509,477.10 = 6,876,479.40/x
  3. Step 3: Cross multiply
    20,339,651.40x = 30,509,477.10 × 6,876,479.40
  4. Step 4: Simplify right side
    20,339,651.40x = 209,797,790,782,921.75
  5. Step 5: Solve for x
    x = 209,797,790,782,921.75/20,339,651.40
  6. Step 6: Final answer
    x = 10,314,719.10

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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.