Home / 10,517,745.78-15,778,663.52-4,040,347.50

Finding the Fourth Proportional to 10,517,745.78, 15,778,663.52 and 4,040,347.50

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Solution

The fourth proportional to 10,517,745.78, 15,778,663.52 and 4,040,347.50 is: 6,061,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517,745.78 : 15,778,663.52 = 4,040,347.50 : x
  2. Step 2: Convert to fraction form
    10,517,745.78/15,778,663.52 = 4,040,347.50/x
  3. Step 3: Cross multiply
    10,517,745.78x = 15,778,663.52 × 4,040,347.50
  4. Step 4: Simplify right side
    10,517,745.78x = 63,751,283,686,171.47
  5. Step 5: Solve for x
    x = 63,751,283,686,171.47/10,517,745.78
  6. Step 6: Final answer
    x = 6,061,306.77

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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.