Home / 7,196,781.87-9,931,534.86-3,933,594.71

Finding the Fourth Proportional to 7,196,781.87, 9,931,534.86 and 3,933,594.71

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Solution

The fourth proportional to 7,196,781.87, 9,931,534.86 and 3,933,594.71 is: 5,428,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196,781.87 : 9,931,534.86 = 3,933,594.71 : x
  2. Step 2: Convert to fraction form
    7,196,781.87/9,931,534.86 = 3,933,594.71/x
  3. Step 3: Cross multiply
    7,196,781.87x = 9,931,534.86 × 3,933,594.71
  4. Step 4: Simplify right side
    7,196,781.87x = 39,066,632,952,569.90
  5. Step 5: Solve for x
    x = 39,066,632,952,569.90/7,196,781.87
  6. Step 6: Final answer
    x = 5,428,347.51

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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.