Home / 10,001,679.94-13,802,360.61-5,418,001.32

Finding the Fourth Proportional to 10,001,679.94, 13,802,360.61 and 5,418,001.32

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Solution

The fourth proportional to 10,001,679.94, 13,802,360.61 and 5,418,001.32 is: 7,476,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001,679.94 : 13,802,360.61 = 5,418,001.32 : x
  2. Step 2: Convert to fraction form
    10,001,679.94/13,802,360.61 = 5,418,001.32/x
  3. Step 3: Cross multiply
    10,001,679.94x = 13,802,360.61 × 5,418,001.32
  4. Step 4: Simplify right side
    10,001,679.94x = 74,781,208,004,096
  5. Step 5: Solve for x
    x = 74,781,208,004,096/10,001,679.94
  6. Step 6: Final answer
    x = 7,476,864.73

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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.