Home / 9,186,431.23-13,780,505.25-2,709,512.88

Finding the Fourth Proportional to 9,186,431.23, 13,780,505.25 and 2,709,512.88

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Solution

The fourth proportional to 9,186,431.23, 13,780,505.25 and 2,709,512.88 is: 4,064,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186,431.23 : 13,780,505.25 = 2,709,512.88 : x
  2. Step 2: Convert to fraction form
    9,186,431.23/13,780,505.25 = 2,709,512.88/x
  3. Step 3: Cross multiply
    9,186,431.23x = 13,780,505.25 × 2,709,512.88
  4. Step 4: Simplify right side
    9,186,431.23x = 37,338,456,436,863.84
  5. Step 5: Solve for x
    x = 37,338,456,436,863.84/9,186,431.23
  6. Step 6: Final answer
    x = 4,064,522.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.