Home / 9,922,320.46-13,661,128.20-8,466,172.12

Finding the Fourth Proportional to 9,922,320.46, 13,661,128.20 and 8,466,172.12

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Solution

The fourth proportional to 9,922,320.46, 13,661,128.20 and 8,466,172.12 is: 11,656,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,922,320.46 : 13,661,128.20 = 8,466,172.12 : x
  2. Step 2: Convert to fraction form
    9,922,320.46/13,661,128.20 = 8,466,172.12/x
  3. Step 3: Cross multiply
    9,922,320.46x = 13,661,128.20 × 8,466,172.12
  4. Step 4: Simplify right side
    9,922,320.46x = 115,657,462,694,585.77
  5. Step 5: Solve for x
    x = 115,657,462,694,585.77/9,922,320.46
  6. Step 6: Final answer
    x = 11,656,291.81

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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.