Home / 7,782,896.72-11,666,220.24-2,663,818.76

Finding the Fourth Proportional to 7,782,896.72, 11,666,220.24 and 2,663,818.76

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Solution

The fourth proportional to 7,782,896.72, 11,666,220.24 and 2,663,818.76 is: 3,992,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,896.72 : 11,666,220.24 = 2,663,818.76 : x
  2. Step 2: Convert to fraction form
    7,782,896.72/11,666,220.24 = 2,663,818.76/x
  3. Step 3: Cross multiply
    7,782,896.72x = 11,666,220.24 × 2,663,818.76
  4. Step 4: Simplify right side
    7,782,896.72x = 31,076,696,333,603.70
  5. Step 5: Solve for x
    x = 31,076,696,333,603.70/7,782,896.72
  6. Step 6: Final answer
    x = 3,992,947.29

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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.