Home / 21,893,610.96-30,208,160.88-13,071,343.32

Finding the Fourth Proportional to 21,893,610.96, 30,208,160.88 and 13,071,343.32

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Solution

The fourth proportional to 21,893,610.96, 30,208,160.88 and 13,071,343.32 is: 18,035,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,610.96 : 30,208,160.88 = 13,071,343.32 : x
  2. Step 2: Convert to fraction form
    21,893,610.96/30,208,160.88 = 13,071,343.32/x
  3. Step 3: Cross multiply
    21,893,610.96x = 30,208,160.88 × 13,071,343.32
  4. Step 4: Simplify right side
    21,893,610.96x = 394,861,241,928,273.31
  5. Step 5: Solve for x
    x = 394,861,241,928,273.31/21,893,610.96
  6. Step 6: Final answer
    x = 18,035,455.30

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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.