Home / 20,223,019.53-27,904,179.60-11,963,429.91

Finding the Fourth Proportional to 20,223,019.53, 27,904,179.60 and 11,963,429.91

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Solution

The fourth proportional to 20,223,019.53, 27,904,179.60 and 11,963,429.91 is: 16,507,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,019.53 : 27,904,179.60 = 11,963,429.91 : x
  2. Step 2: Convert to fraction form
    20,223,019.53/27,904,179.60 = 11,963,429.91/x
  3. Step 3: Cross multiply
    20,223,019.53x = 27,904,179.60 × 11,963,429.91
  4. Step 4: Simplify right side
    20,223,019.53x = 333,829,696,840,651.88
  5. Step 5: Solve for x
    x = 333,829,696,840,651.88/20,223,019.53
  6. Step 6: Final answer
    x = 16,507,411.09

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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.