Home / 20,746,848.24-31,098,989.16-7,963,910.64

Finding the Fourth Proportional to 20,746,848.24, 31,098,989.16 and 7,963,910.64

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Solution

The fourth proportional to 20,746,848.24, 31,098,989.16 and 7,963,910.64 is: 11,937,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746,848.24 : 31,098,989.16 = 7,963,910.64 : x
  2. Step 2: Convert to fraction form
    20,746,848.24/31,098,989.16 = 7,963,910.64/x
  3. Step 3: Cross multiply
    20,746,848.24x = 31,098,989.16 × 7,963,910.64
  4. Step 4: Simplify right side
    20,746,848.24x = 247,669,570,664,568.66
  5. Step 5: Solve for x
    x = 247,669,570,664,568.66/20,746,848.24
  6. Step 6: Final answer
    x = 11,937,696.16

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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.