Home / 6,629,464.57-9,148,755.63-3,913,210.57

Finding the Fourth Proportional to 6,629,464.57, 9,148,755.63 and 3,913,210.57

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Solution

The fourth proportional to 6,629,464.57, 9,148,755.63 and 3,913,210.57 is: 5,400,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629,464.57 : 9,148,755.63 = 3,913,210.57 : x
  2. Step 2: Convert to fraction form
    6,629,464.57/9,148,755.63 = 3,913,210.57/x
  3. Step 3: Cross multiply
    6,629,464.57x = 9,148,755.63 × 3,913,210.57
  4. Step 4: Simplify right side
    6,629,464.57x = 35,801,007,233,663.01
  5. Step 5: Solve for x
    x = 35,801,007,233,663.01/6,629,464.57
  6. Step 6: Final answer
    x = 5,400,286.38

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Double scale
Find fourth proportional to 6,629,465.57, 9,148,757.01 and 3,913,211.57
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1.5x scale

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.