Home / 28,886,634.30-39,796,558.18-20,171,001.90

Finding the Fourth Proportional to 28,886,634.30, 39,796,558.18 and 20,171,001.90

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Solution

The fourth proportional to 28,886,634.30, 39,796,558.18 and 20,171,001.90 is: 27,789,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886,634.30 : 39,796,558.18 = 20,171,001.90 : x
  2. Step 2: Convert to fraction form
    28,886,634.30/39,796,558.18 = 20,171,001.90/x
  3. Step 3: Cross multiply
    28,886,634.30x = 39,796,558.18 × 20,171,001.90
  4. Step 4: Simplify right side
    28,886,634.30x = 802,736,450,662,240.50
  5. Step 5: Solve for x
    x = 802,736,450,662,240.50/28,886,634.30
  6. Step 6: Final answer
    x = 27,789,199.75

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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.