Home / 18,401,285.52-25,398,101.28-11,437,222.56

Finding the Fourth Proportional to 18,401,285.52, 25,398,101.28 and 11,437,222.56

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Solution

The fourth proportional to 18,401,285.52, 25,398,101.28 and 11,437,222.56 is: 15,786,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,285.52 : 25,398,101.28 = 11,437,222.56 : x
  2. Step 2: Convert to fraction form
    18,401,285.52/25,398,101.28 = 11,437,222.56/x
  3. Step 3: Cross multiply
    18,401,285.52x = 25,398,101.28 × 11,437,222.56
  4. Step 4: Simplify right side
    18,401,285.52x = 290,483,736,940,780.88
  5. Step 5: Solve for x
    x = 290,483,736,940,780.88/18,401,285.52
  6. Step 6: Final answer
    x = 15,786,056.72

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1.5x scale

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.