Home / 6,728,497.86-10,092,686.65-2,117,831.89

Finding the Fourth Proportional to 6,728,497.86, 10,092,686.65 and 2,117,831.89

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Solution

The fourth proportional to 6,728,497.86, 10,092,686.65 and 2,117,831.89 is: 3,176,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728,497.86 : 10,092,686.65 = 2,117,831.89 : x
  2. Step 2: Convert to fraction form
    6,728,497.86/10,092,686.65 = 2,117,831.89/x
  3. Step 3: Cross multiply
    6,728,497.86x = 10,092,686.65 × 2,117,831.89
  4. Step 4: Simplify right side
    6,728,497.86x = 21,374,613,643,147.27
  5. Step 5: Solve for x
    x = 21,374,613,643,147.27/6,728,497.86
  6. Step 6: Final answer
    x = 3,176,728.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.