Home / 12,510,192.50-17,263,949-7,077,684.50

Finding the Fourth Proportional to 12,510,192.50, 17,263,949 and 7,077,684.50

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Solution

The fourth proportional to 12,510,192.50, 17,263,949 and 7,077,684.50 is: 9,767,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510,192.50 : 17,263,949 = 7,077,684.50 : x
  2. Step 2: Convert to fraction form
    12,510,192.50/17,263,949 = 7,077,684.50/x
  3. Step 3: Cross multiply
    12,510,192.50x = 17,263,949 × 7,077,684.50
  4. Step 4: Simplify right side
    12,510,192.50x = 122,188,784,246,090.50
  5. Step 5: Solve for x
    x = 122,188,784,246,090.50/12,510,192.50
  6. Step 6: Final answer
    x = 9,767,138.61

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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.