Home / 19,309,693.47-26,635,557.61-11,463,880.78

Finding the Fourth Proportional to 19,309,693.47, 26,635,557.61 and 11,463,880.78

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Solution

The fourth proportional to 19,309,693.47, 26,635,557.61 and 11,463,880.78 is: 15,813,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,693.47 : 26,635,557.61 = 11,463,880.78 : x
  2. Step 2: Convert to fraction form
    19,309,693.47/26,635,557.61 = 11,463,880.78/x
  3. Step 3: Cross multiply
    19,309,693.47x = 26,635,557.61 × 11,463,880.78
  4. Step 4: Simplify right side
    19,309,693.47x = 305,346,856,949,861.69
  5. Step 5: Solve for x
    x = 305,346,856,949,861.69/19,309,693.47
  6. Step 6: Final answer
    x = 15,813,138.49

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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.