Home / 7,638,318.15-10,540,668.78-4,200,559.19

Finding the Fourth Proportional to 7,638,318.15, 10,540,668.78 and 4,200,559.19

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Solution

The fourth proportional to 7,638,318.15, 10,540,668.78 and 4,200,559.19 is: 5,796,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,318.15 : 10,540,668.78 = 4,200,559.19 : x
  2. Step 2: Convert to fraction form
    7,638,318.15/10,540,668.78 = 4,200,559.19/x
  3. Step 3: Cross multiply
    7,638,318.15x = 10,540,668.78 × 4,200,559.19
  4. Step 4: Simplify right side
    7,638,318.15x = 44,276,703,059,871.73
  5. Step 5: Solve for x
    x = 44,276,703,059,871.73/7,638,318.15
  6. Step 6: Final answer
    x = 5,796,656.04

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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.