Home / 13,521,944.08-18,659,588.52-7,719,592.48

Finding the Fourth Proportional to 13,521,944.08, 18,659,588.52 and 7,719,592.48

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Solution

The fourth proportional to 13,521,944.08, 18,659,588.52 and 7,719,592.48 is: 10,652,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,944.08 : 18,659,588.52 = 7,719,592.48 : x
  2. Step 2: Convert to fraction form
    13,521,944.08/18,659,588.52 = 7,719,592.48/x
  3. Step 3: Cross multiply
    13,521,944.08x = 18,659,588.52 × 7,719,592.48
  4. Step 4: Simplify right side
    13,521,944.08x = 144,044,419,218,886.34
  5. Step 5: Solve for x
    x = 144,044,419,218,886.34/13,521,944.08
  6. Step 6: Final answer
    x = 10,652,641.24

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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.