Home / 7,641,911.77-10,545,906.73-4,157,326.47

Finding the Fourth Proportional to 7,641,911.77, 10,545,906.73 and 4,157,326.47

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Solution

The fourth proportional to 7,641,911.77, 10,545,906.73 and 4,157,326.47 is: 5,737,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,911.77 : 10,545,906.73 = 4,157,326.47 : x
  2. Step 2: Convert to fraction form
    7,641,911.77/10,545,906.73 = 4,157,326.47/x
  3. Step 3: Cross multiply
    7,641,911.77x = 10,545,906.73 × 4,157,326.47
  4. Step 4: Simplify right side
    7,641,911.77x = 43,842,777,235,538.23
  5. Step 5: Solve for x
    x = 43,842,777,235,538.23/7,641,911.77
  6. Step 6: Final answer
    x = 5,737,147.79

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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.