Home / 12,501,272.70-18,755,459.28-3,982,266.18

Finding the Fourth Proportional to 12,501,272.70, 18,755,459.28 and 3,982,266.18

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Solution

The fourth proportional to 12,501,272.70, 18,755,459.28 and 3,982,266.18 is: 5,974,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501,272.70 : 18,755,459.28 = 3,982,266.18 : x
  2. Step 2: Convert to fraction form
    12,501,272.70/18,755,459.28 = 3,982,266.18/x
  3. Step 3: Cross multiply
    12,501,272.70x = 18,755,459.28 × 3,982,266.18
  4. Step 4: Simplify right side
    12,501,272.70x = 74,689,231,181,111.16
  5. Step 5: Solve for x
    x = 74,689,231,181,111.16/12,501,272.70
  6. Step 6: Final answer
    x = 5,974,530.19

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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.