Home / 16,949,143.92-25,434,913.32-7,974,395.76

Finding the Fourth Proportional to 16,949,143.92, 25,434,913.32 and 7,974,395.76

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Solution

The fourth proportional to 16,949,143.92, 25,434,913.32 and 7,974,395.76 is: 11,966,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,949,143.92 : 25,434,913.32 = 7,974,395.76 : x
  2. Step 2: Convert to fraction form
    16,949,143.92/25,434,913.32 = 7,974,395.76/x
  3. Step 3: Cross multiply
    16,949,143.92x = 25,434,913.32 × 7,974,395.76
  4. Step 4: Simplify right side
    16,949,143.92x = 202,828,064,934,975.53
  5. Step 5: Solve for x
    x = 202,828,064,934,975.53/16,949,143.92
  6. Step 6: Final answer
    x = 11,966,861.92

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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.