Home / 7,639,420.23-11,456,696.43-2,520,896.31

Finding the Fourth Proportional to 7,639,420.23, 11,456,696.43 and 2,520,896.31

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Solution

The fourth proportional to 7,639,420.23, 11,456,696.43 and 2,520,896.31 is: 3,780,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,420.23 : 11,456,696.43 = 2,520,896.31 : x
  2. Step 2: Convert to fraction form
    7,639,420.23/11,456,696.43 = 2,520,896.31/x
  3. Step 3: Cross multiply
    7,639,420.23x = 11,456,696.43 × 2,520,896.31
  4. Step 4: Simplify right side
    7,639,420.23x = 28,881,143,755,177.17
  5. Step 5: Solve for x
    x = 28,881,143,755,177.17/7,639,420.23
  6. Step 6: Final answer
    x = 3,780,541.31

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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.