Home / 28,842,816.96-39,804,026.94-15,790,071.96

Finding the Fourth Proportional to 28,842,816.96, 39,804,026.94 and 15,790,071.96

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Solution

The fourth proportional to 28,842,816.96, 39,804,026.94 and 15,790,071.96 is: 21,790,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842,816.96 : 39,804,026.94 = 15,790,071.96 : x
  2. Step 2: Convert to fraction form
    28,842,816.96/39,804,026.94 = 15,790,071.96/x
  3. Step 3: Cross multiply
    28,842,816.96x = 39,804,026.94 × 15,790,071.96
  4. Step 4: Simplify right side
    28,842,816.96x = 628,508,449,680,378.62
  5. Step 5: Solve for x
    x = 628,508,449,680,378.62/28,842,816.96
  6. Step 6: Final answer
    x = 21,790,813.66

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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.