Home / 6,909,419.32-10,363,755.52-2,117,122.77

Finding the Fourth Proportional to 6,909,419.32, 10,363,755.52 and 2,117,122.77

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Solution

The fourth proportional to 6,909,419.32, 10,363,755.52 and 2,117,122.77 is: 3,175,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,419.32 : 10,363,755.52 = 2,117,122.77 : x
  2. Step 2: Convert to fraction form
    6,909,419.32/10,363,755.52 = 2,117,122.77/x
  3. Step 3: Cross multiply
    6,909,419.32x = 10,363,755.52 × 2,117,122.77
  4. Step 4: Simplify right side
    6,909,419.32x = 21,941,342,794,105.19
  5. Step 5: Solve for x
    x = 21,941,342,794,105.19/6,909,419.32
  6. Step 6: Final answer
    x = 3,175,569.72

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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.