Home / 13,545,991.62-18,693,480.52-7,351,038.32

Finding the Fourth Proportional to 13,545,991.62, 18,693,480.52 and 7,351,038.32

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Solution

The fourth proportional to 13,545,991.62, 18,693,480.52 and 7,351,038.32 is: 10,144,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,991.62 : 18,693,480.52 = 7,351,038.32 : x
  2. Step 2: Convert to fraction form
    13,545,991.62/18,693,480.52 = 7,351,038.32/x
  3. Step 3: Cross multiply
    13,545,991.62x = 18,693,480.52 × 7,351,038.32
  4. Step 4: Simplify right side
    13,545,991.62x = 137,416,491,636,693.53
  5. Step 5: Solve for x
    x = 137,416,491,636,693.53/13,545,991.62
  6. Step 6: Final answer
    x = 10,144,439.44

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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.