Home / 18,700,770.15-25,805,095.97-10,858,749.48

Finding the Fourth Proportional to 18,700,770.15, 25,805,095.97 and 10,858,749.48

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Solution

The fourth proportional to 18,700,770.15, 25,805,095.97 and 10,858,749.48 is: 14,983,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700,770.15 : 25,805,095.97 = 10,858,749.48 : x
  2. Step 2: Convert to fraction form
    18,700,770.15/25,805,095.97 = 10,858,749.48/x
  3. Step 3: Cross multiply
    18,700,770.15x = 25,805,095.97 × 10,858,749.48
  4. Step 4: Simplify right side
    18,700,770.15x = 280,211,072,391,293.84
  5. Step 5: Solve for x
    x = 280,211,072,391,293.84/18,700,770.15
  6. Step 6: Final answer
    x = 14,983,932.22

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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.