Home / 18,409,796.77-25,404,348.90-10,149,407.56

Finding the Fourth Proportional to 18,409,796.77, 25,404,348.90 and 10,149,407.56

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Solution

The fourth proportional to 18,409,796.77, 25,404,348.90 and 10,149,407.56 is: 14,005,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,796.77 : 25,404,348.90 = 10,149,407.56 : x
  2. Step 2: Convert to fraction form
    18,409,796.77/25,404,348.90 = 10,149,407.56/x
  3. Step 3: Cross multiply
    18,409,796.77x = 25,404,348.90 × 10,149,407.56
  4. Step 4: Simplify right side
    18,409,796.77x = 257,839,090,623,813.22
  5. Step 5: Solve for x
    x = 257,839,090,623,813.22/18,409,796.77
  6. Step 6: Final answer
    x = 14,005,537.04

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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.