Home / 18,638,084.69-25,720,311.62-10,265,293.68

Finding the Fourth Proportional to 18,638,084.69, 25,720,311.62 and 10,265,293.68

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Solution

The fourth proportional to 18,638,084.69, 25,720,311.62 and 10,265,293.68 is: 14,165,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,084.69 : 25,720,311.62 = 10,265,293.68 : x
  2. Step 2: Convert to fraction form
    18,638,084.69/25,720,311.62 = 10,265,293.68/x
  3. Step 3: Cross multiply
    18,638,084.69x = 25,720,311.62 × 10,265,293.68
  4. Step 4: Simplify right side
    18,638,084.69x = 264,026,552,320,416.56
  5. Step 5: Solve for x
    x = 264,026,552,320,416.56/18,638,084.69
  6. Step 6: Final answer
    x = 14,165,970.20

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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.