Home / 10,515,916.90-14,519,651.37-6,796,947.79

Finding the Fourth Proportional to 10,515,916.90, 14,519,651.37 and 6,796,947.79

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Solution

The fourth proportional to 10,515,916.90, 14,519,651.37 and 6,796,947.79 is: 9,384,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,916.90 : 14,519,651.37 = 6,796,947.79 : x
  2. Step 2: Convert to fraction form
    10,515,916.90/14,519,651.37 = 6,796,947.79/x
  3. Step 3: Cross multiply
    10,515,916.90x = 14,519,651.37 × 6,796,947.79
  4. Step 4: Simplify right side
    10,515,916.90x = 98,689,312,218,293.72
  5. Step 5: Solve for x
    x = 98,689,312,218,293.72/10,515,916.90
  6. Step 6: Final answer
    x = 9,384,755.81

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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.