Home / 7,876,909.51-11,814,314.32-2,196,658.15

Finding the Fourth Proportional to 7,876,909.51, 11,814,314.32 and 2,196,658.15

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Solution

The fourth proportional to 7,876,909.51, 11,814,314.32 and 2,196,658.15 is: 3,294,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,909.51 : 11,814,314.32 = 2,196,658.15 : x
  2. Step 2: Convert to fraction form
    7,876,909.51/11,814,314.32 = 2,196,658.15/x
  3. Step 3: Cross multiply
    7,876,909.51x = 11,814,314.32 × 2,196,658.15
  4. Step 4: Simplify right side
    7,876,909.51x = 25,952,009,837,689.71
  5. Step 5: Solve for x
    x = 25,952,009,837,689.71/7,876,909.51
  6. Step 6: Final answer
    x = 3,294,694.42

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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.