Home / 18,151,948.87-25,048,960.63-9,891,835.26

Finding the Fourth Proportional to 18,151,948.87, 25,048,960.63 and 9,891,835.26

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Solution

The fourth proportional to 18,151,948.87, 25,048,960.63 and 9,891,835.26 is: 13,650,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151,948.87 : 25,048,960.63 = 9,891,835.26 : x
  2. Step 2: Convert to fraction form
    18,151,948.87/25,048,960.63 = 9,891,835.26/x
  3. Step 3: Cross multiply
    18,151,948.87x = 25,048,960.63 × 9,891,835.26
  4. Step 4: Simplify right side
    18,151,948.87x = 247,780,191,867,522.62
  5. Step 5: Solve for x
    x = 247,780,191,867,522.62/18,151,948.87
  6. Step 6: Final answer
    x = 13,650,335.49

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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.