Home / 13,753,522.54-18,980,316.16-7,558,788.83

Finding the Fourth Proportional to 13,753,522.54, 18,980,316.16 and 7,558,788.83

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Solution

The fourth proportional to 13,753,522.54, 18,980,316.16 and 7,558,788.83 is: 10,431,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,522.54 : 18,980,316.16 = 7,558,788.83 : x
  2. Step 2: Convert to fraction form
    13,753,522.54/18,980,316.16 = 7,558,788.83/x
  3. Step 3: Cross multiply
    13,753,522.54x = 18,980,316.16 × 7,558,788.83
  4. Step 4: Simplify right side
    13,753,522.54x = 143,468,201,773,042.22
  5. Step 5: Solve for x
    x = 143,468,201,773,042.22/13,753,522.54
  6. Step 6: Final answer
    x = 10,431,378.68

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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.