Home / 14,153,439.86-19,530,639.48-7,874,183.78

Finding the Fourth Proportional to 14,153,439.86, 19,530,639.48 and 7,874,183.78

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Solution

The fourth proportional to 14,153,439.86, 19,530,639.48 and 7,874,183.78 is: 10,865,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153,439.86 : 19,530,639.48 = 7,874,183.78 : x
  2. Step 2: Convert to fraction form
    14,153,439.86/19,530,639.48 = 7,874,183.78/x
  3. Step 3: Cross multiply
    14,153,439.86x = 19,530,639.48 × 7,874,183.78
  4. Step 4: Simplify right side
    14,153,439.86x = 153,787,844,606,443.66
  5. Step 5: Solve for x
    x = 153,787,844,606,443.66/14,153,439.86
  6. Step 6: Final answer
    x = 10,865,757.45

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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.