Home / 10,557,243.70-15,843,826.83-7,724,663.86

Finding the Fourth Proportional to 10,557,243.70, 15,843,826.83 and 7,724,663.86

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Solution

The fourth proportional to 10,557,243.70, 15,843,826.83 and 7,724,663.86 is: 11,592,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,243.70 : 15,843,826.83 = 7,724,663.86 : x
  2. Step 2: Convert to fraction form
    10,557,243.70/15,843,826.83 = 7,724,663.86/x
  3. Step 3: Cross multiply
    10,557,243.70x = 15,843,826.83 × 7,724,663.86
  4. Step 4: Simplify right side
    10,557,243.70x = 122,388,236,517,799.38
  5. Step 5: Solve for x
    x = 122,388,236,517,799.38/10,557,243.70
  6. Step 6: Final answer
    x = 11,592,821.00

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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.