Home / 12,241,123.95-18,453,366.41-11,419,045.23

Finding the Fourth Proportional to 12,241,123.95, 18,453,366.41 and 11,419,045.23

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Solution

The fourth proportional to 12,241,123.95, 18,453,366.41 and 11,419,045.23 is: 17,214,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,123.95 : 18,453,366.41 = 11,419,045.23 : x
  2. Step 2: Convert to fraction form
    12,241,123.95/18,453,366.41 = 11,419,045.23/x
  3. Step 3: Cross multiply
    12,241,123.95x = 18,453,366.41 × 11,419,045.23
  4. Step 4: Simplify right side
    12,241,123.95x = 210,719,825,710,100.38
  5. Step 5: Solve for x
    x = 210,719,825,710,100.38/12,241,123.95
  6. Step 6: Final answer
    x = 17,214,091.33

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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.