Home / 10,639,451.35-15,961,418.70-3,450,424.69

Finding the Fourth Proportional to 10,639,451.35, 15,961,418.70 and 3,450,424.69

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Solution

The fourth proportional to 10,639,451.35, 15,961,418.70 and 3,450,424.69 is: 5,176,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639,451.35 : 15,961,418.70 = 3,450,424.69 : x
  2. Step 2: Convert to fraction form
    10,639,451.35/15,961,418.70 = 3,450,424.69/x
  3. Step 3: Cross multiply
    10,639,451.35x = 15,961,418.70 × 3,450,424.69
  4. Step 4: Simplify right side
    10,639,451.35x = 55,073,673,072,848.48
  5. Step 5: Solve for x
    x = 55,073,673,072,848.48/10,639,451.35
  6. Step 6: Final answer
    x = 5,176,364.01

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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.