Home / 13,653,204.88-20,479,666.96-7,892,272.82

Finding the Fourth Proportional to 13,653,204.88, 20,479,666.96 and 7,892,272.82

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Solution

The fourth proportional to 13,653,204.88, 20,479,666.96 and 7,892,272.82 is: 11,838,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,204.88 : 20,479,666.96 = 7,892,272.82 : x
  2. Step 2: Convert to fraction form
    13,653,204.88/20,479,666.96 = 7,892,272.82/x
  3. Step 3: Cross multiply
    13,653,204.88x = 20,479,666.96 × 7,892,272.82
  4. Step 4: Simplify right side
    13,653,204.88x = 161,631,119,033,096.56
  5. Step 5: Solve for x
    x = 161,631,119,033,096.56/13,653,204.88
  6. Step 6: Final answer
    x = 11,838,328.10

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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.