Home / 9,128,088.42-13,694,346.98-2,738,340.78

Finding the Fourth Proportional to 9,128,088.42, 13,694,346.98 and 2,738,340.78

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Solution

The fourth proportional to 9,128,088.42, 13,694,346.98 and 2,738,340.78 is: 4,108,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,088.42 : 13,694,346.98 = 2,738,340.78 : x
  2. Step 2: Convert to fraction form
    9,128,088.42/13,694,346.98 = 2,738,340.78/x
  3. Step 3: Cross multiply
    9,128,088.42x = 13,694,346.98 × 2,738,340.78
  4. Step 4: Simplify right side
    9,128,088.42x = 37,499,788,790,803.84
  5. Step 5: Solve for x
    x = 37,499,788,790,803.84/9,128,088.42
  6. Step 6: Final answer
    x = 4,108,175.45

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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.