Home / 18,760,510.84-25,905,662.43-11,802,785.62

Finding the Fourth Proportional to 18,760,510.84, 25,905,662.43 and 11,802,785.62

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Solution

The fourth proportional to 18,760,510.84, 25,905,662.43 and 11,802,785.62 is: 16,298,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,510.84 : 25,905,662.43 = 11,802,785.62 : x
  2. Step 2: Convert to fraction form
    18,760,510.84/25,905,662.43 = 11,802,785.62/x
  3. Step 3: Cross multiply
    18,760,510.84x = 25,905,662.43 × 11,802,785.62
  4. Step 4: Simplify right side
    18,760,510.84x = 305,758,980,112,663.06
  5. Step 5: Solve for x
    x = 305,758,980,112,663.06/18,760,510.84
  6. Step 6: Final answer
    x = 16,298,009.30

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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.