Home / 6,513,566.55-8,989,799.88-3,613,891.58

Finding the Fourth Proportional to 6,513,566.55, 8,989,799.88 and 3,613,891.58

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Solution

The fourth proportional to 6,513,566.55, 8,989,799.88 and 3,613,891.58 is: 4,987,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,566.55 : 8,989,799.88 = 3,613,891.58 : x
  2. Step 2: Convert to fraction form
    6,513,566.55/8,989,799.88 = 3,613,891.58/x
  3. Step 3: Cross multiply
    6,513,566.55x = 8,989,799.88 × 3,613,891.58
  4. Step 4: Simplify right side
    6,513,566.55x = 32,488,162,092,217.02
  5. Step 5: Solve for x
    x = 32,488,162,092,217.02/6,513,566.55
  6. Step 6: Final answer
    x = 4,987,768.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.