Home / 18,440,260.79-25,450,890.93-10,998,399.74

Finding the Fourth Proportional to 18,440,260.79, 25,450,890.93 and 10,998,399.74

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Solution

The fourth proportional to 18,440,260.79, 25,450,890.93 and 10,998,399.74 is: 15,179,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,260.79 : 25,450,890.93 = 10,998,399.74 : x
  2. Step 2: Convert to fraction form
    18,440,260.79/25,450,890.93 = 10,998,399.74/x
  3. Step 3: Cross multiply
    18,440,260.79x = 25,450,890.93 × 10,998,399.74
  4. Step 4: Simplify right side
    18,440,260.79x = 279,919,072,060,025.88
  5. Step 5: Solve for x
    x = 279,919,072,060,025.88/18,440,260.79
  6. Step 6: Final answer
    x = 15,179,778.38

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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.