Home / 19,208,279.28-28,812,467.82-7,848,727.92

Finding the Fourth Proportional to 19,208,279.28, 28,812,467.82 and 7,848,727.92

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Solution

The fourth proportional to 19,208,279.28, 28,812,467.82 and 7,848,727.92 is: 11,773,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,279.28 : 28,812,467.82 = 7,848,727.92 : x
  2. Step 2: Convert to fraction form
    19,208,279.28/28,812,467.82 = 7,848,727.92/x
  3. Step 3: Cross multiply
    19,208,279.28x = 28,812,467.82 × 7,848,727.92
  4. Step 4: Simplify right side
    19,208,279.28x = 226,141,220,622,935.53
  5. Step 5: Solve for x
    x = 226,141,220,622,935.53/19,208,279.28
  6. Step 6: Final answer
    x = 11,773,111.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.