Home / 19,979,056.80-27,571,098.48-10,811,699.04

Finding the Fourth Proportional to 19,979,056.80, 27,571,098.48 and 10,811,699.04

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Solution

The fourth proportional to 19,979,056.80, 27,571,098.48 and 10,811,699.04 is: 14,920,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,056.80 : 27,571,098.48 = 10,811,699.04 : x
  2. Step 2: Convert to fraction form
    19,979,056.80/27,571,098.48 = 10,811,699.04/x
  3. Step 3: Cross multiply
    19,979,056.80x = 27,571,098.48 × 10,811,699.04
  4. Step 4: Simplify right side
    19,979,056.80x = 298,090,418,967,961.44
  5. Step 5: Solve for x
    x = 298,090,418,967,961.44/19,979,056.80
  6. Step 6: Final answer
    x = 14,920,144.73

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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.