Home / 12,454,940.10-18,682,410.15-9,935,516.10

Finding the Fourth Proportional to 12,454,940.10, 18,682,410.15 and 9,935,516.10

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Solution

The fourth proportional to 12,454,940.10, 18,682,410.15 and 9,935,516.10 is: 14,903,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,940.10 : 18,682,410.15 = 9,935,516.10 : x
  2. Step 2: Convert to fraction form
    12,454,940.10/18,682,410.15 = 9,935,516.10/x
  3. Step 3: Cross multiply
    12,454,940.10x = 18,682,410.15 × 9,935,516.10
  4. Step 4: Simplify right side
    12,454,940.10x = 185,619,386,832,128.41
  5. Step 5: Solve for x
    x = 185,619,386,832,128.41/12,454,940.10
  6. Step 6: Final answer
    x = 14,903,274.15

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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.