Home / 12,736,863.01-17,572,254.78-7,227,046.99

Finding the Fourth Proportional to 12,736,863.01, 17,572,254.78 and 7,227,046.99

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Solution

The fourth proportional to 12,736,863.01, 17,572,254.78 and 7,227,046.99 is: 9,970,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736,863.01 : 17,572,254.78 = 7,227,046.99 : x
  2. Step 2: Convert to fraction form
    12,736,863.01/17,572,254.78 = 7,227,046.99/x
  3. Step 3: Cross multiply
    12,736,863.01x = 17,572,254.78 × 7,227,046.99
  4. Step 4: Simplify right side
    12,736,863.01x = 126,995,511,015,312.12
  5. Step 5: Solve for x
    x = 126,995,511,015,312.12/12,736,863.01
  6. Step 6: Final answer
    x = 9,970,705.57

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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.