Home / 10,639,460.12-15,961,431.86-3,450,433.46

Finding the Fourth Proportional to 10,639,460.12, 15,961,431.86 and 3,450,433.46

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Solution

The fourth proportional to 10,639,460.12, 15,961,431.86 and 3,450,433.46 is: 5,176,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639,460.12 : 15,961,431.86 = 3,450,433.46 : x
  2. Step 2: Convert to fraction form
    10,639,460.12/15,961,431.86 = 3,450,433.46/x
  3. Step 3: Cross multiply
    10,639,460.12x = 15,961,431.86 × 3,450,433.46
  4. Step 4: Simplify right side
    10,639,460.12x = 55,073,858,462,194.71
  5. Step 5: Solve for x
    x = 55,073,858,462,194.71/10,639,460.12
  6. Step 6: Final answer
    x = 5,176,377.17

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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.