Home / 19,186,591.82-28,794,811.97-13,391,679.26

Finding the Fourth Proportional to 19,186,591.82, 28,794,811.97 and 13,391,679.26

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Solution

The fourth proportional to 19,186,591.82, 28,794,811.97 and 13,391,679.26 is: 20,097,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,591.82 : 28,794,811.97 = 13,391,679.26 : x
  2. Step 2: Convert to fraction form
    19,186,591.82/28,794,811.97 = 13,391,679.26/x
  3. Step 3: Cross multiply
    19,186,591.82x = 28,794,811.97 × 13,391,679.26
  4. Step 4: Simplify right side
    19,186,591.82x = 385,610,886,254,248.75
  5. Step 5: Solve for x
    x = 385,610,886,254,248.75/19,186,591.82
  6. Step 6: Final answer
    x = 20,097,935.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.