Home / 12,500,436.11-18,844,347.43-11,667,153.20

Finding the Fourth Proportional to 12,500,436.11, 18,844,347.43 and 11,667,153.20

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Solution

The fourth proportional to 12,500,436.11, 18,844,347.43 and 11,667,153.20 is: 17,588,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,436.11 : 18,844,347.43 = 11,667,153.20 : x
  2. Step 2: Convert to fraction form
    12,500,436.11/18,844,347.43 = 11,667,153.20/x
  3. Step 3: Cross multiply
    12,500,436.11x = 18,844,347.43 × 11,667,153.20
  4. Step 4: Simplify right side
    12,500,436.11x = 219,859,888,437,779.25
  5. Step 5: Solve for x
    x = 219,859,888,437,779.25/12,500,436.11
  6. Step 6: Final answer
    x = 17,588,177.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.