Home / 6,909,418.08-10,363,753.65-2,117,121.52

Finding the Fourth Proportional to 6,909,418.08, 10,363,753.65 and 2,117,121.52

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Solution

The fourth proportional to 6,909,418.08, 10,363,753.65 and 2,117,121.52 is: 3,175,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,418.08 : 10,363,753.65 = 2,117,121.52 : x
  2. Step 2: Convert to fraction form
    6,909,418.08/10,363,753.65 = 2,117,121.52/x
  3. Step 3: Cross multiply
    6,909,418.08x = 10,363,753.65 × 2,117,121.52
  4. Step 4: Simplify right side
    6,909,418.08x = 21,941,325,880,393.55
  5. Step 5: Solve for x
    x = 21,941,325,880,393.55/6,909,418.08
  6. Step 6: Final answer
    x = 3,175,567.84

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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.