Home / 10,639,451.47-15,961,418.88-3,450,424.81

Finding the Fourth Proportional to 10,639,451.47, 15,961,418.88 and 3,450,424.81

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Solution

The fourth proportional to 10,639,451.47, 15,961,418.88 and 3,450,424.81 is: 5,176,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639,451.47 : 15,961,418.88 = 3,450,424.81 : x
  2. Step 2: Convert to fraction form
    10,639,451.47/15,961,418.88 = 3,450,424.81/x
  3. Step 3: Cross multiply
    10,639,451.47x = 15,961,418.88 × 3,450,424.81
  4. Step 4: Simplify right side
    10,639,451.47x = 55,073,675,679,389.96
  5. Step 5: Solve for x
    x = 55,073,675,679,389.96/10,639,451.47
  6. Step 6: Final answer
    x = 5,176,364.20

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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.