Home / 7,138,907-10,704,336.30-2,345,309.18

Finding the Fourth Proportional to 7,138,907, 10,704,336.30 and 2,345,309.18

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Solution

The fourth proportional to 7,138,907, 10,704,336.30 and 2,345,309.18 is: 3,516,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,907 : 10,704,336.30 = 2,345,309.18 : x
  2. Step 2: Convert to fraction form
    7,138,907/10,704,336.30 = 2,345,309.18/x
  3. Step 3: Cross multiply
    7,138,907x = 10,704,336.30 × 2,345,309.18
  4. Step 4: Simplify right side
    7,138,907x = 25,104,978,190,197.24
  5. Step 5: Solve for x
    x = 25,104,978,190,197.24/7,138,907
  6. Step 6: Final answer
    x = 3,516,641.72

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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.