Home / 10,245,255.94-15,340,344.18-7,804,782.64

Finding the Fourth Proportional to 10,245,255.94, 15,340,344.18 and 7,804,782.64

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Solution

The fourth proportional to 10,245,255.94, 15,340,344.18 and 7,804,782.64 is: 11,686,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245,255.94 : 15,340,344.18 = 7,804,782.64 : x
  2. Step 2: Convert to fraction form
    10,245,255.94/15,340,344.18 = 7,804,782.64/x
  3. Step 3: Cross multiply
    10,245,255.94x = 15,340,344.18 × 7,804,782.64
  4. Step 4: Simplify right side
    10,245,255.94x = 119,728,051,947,689.03
  5. Step 5: Solve for x
    x = 119,728,051,947,689.03/10,245,255.94
  6. Step 6: Final answer
    x = 11,686,194.34

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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.