Home / 18,540,376.63-25,585,774.86-10,281,020.78

Finding the Fourth Proportional to 18,540,376.63, 25,585,774.86 and 10,281,020.78

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Solution

The fourth proportional to 18,540,376.63, 25,585,774.86 and 10,281,020.78 is: 14,187,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540,376.63 : 25,585,774.86 = 10,281,020.78 : x
  2. Step 2: Convert to fraction form
    18,540,376.63/25,585,774.86 = 10,281,020.78/x
  3. Step 3: Cross multiply
    18,540,376.63x = 25,585,774.86 × 10,281,020.78
  4. Step 4: Simplify right side
    18,540,376.63x = 263,047,882,880,132.72
  5. Step 5: Solve for x
    x = 263,047,882,880,132.72/18,540,376.63
  6. Step 6: Final answer
    x = 14,187,839.23

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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.