Home / 7,101,831.20-9,800,570.31-3,838,637.66

Finding the Fourth Proportional to 7,101,831.20, 9,800,570.31 and 3,838,637.66

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Solution

The fourth proportional to 7,101,831.20, 9,800,570.31 and 3,838,637.66 is: 5,297,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101,831.20 : 9,800,570.31 = 3,838,637.66 : x
  2. Step 2: Convert to fraction form
    7,101,831.20/9,800,570.31 = 3,838,637.66/x
  3. Step 3: Cross multiply
    7,101,831.20x = 9,800,570.31 × 3,838,637.66
  4. Step 4: Simplify right side
    7,101,831.20x = 37,620,838,281,443.88
  5. Step 5: Solve for x
    x = 37,620,838,281,443.88/7,101,831.20
  6. Step 6: Final answer
    x = 5,297,343.35

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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.