Home / 12,510,170.50-17,263,918.64-7,077,662.50

Finding the Fourth Proportional to 12,510,170.50, 17,263,918.64 and 7,077,662.50

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Solution

The fourth proportional to 12,510,170.50, 17,263,918.64 and 7,077,662.50 is: 9,767,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510,170.50 : 17,263,918.64 = 7,077,662.50 : x
  2. Step 2: Convert to fraction form
    12,510,170.50/17,263,918.64 = 7,077,662.50/x
  3. Step 3: Cross multiply
    12,510,170.50x = 17,263,918.64 × 7,077,662.50
  4. Step 4: Simplify right side
    12,510,170.50x = 122,188,189,561,379
  5. Step 5: Solve for x
    x = 122,188,189,561,379/12,510,170.50
  6. Step 6: Final answer
    x = 9,767,108.25

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1.5x scale

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.