Home / 12,256,330.20-18,384,495.30-11,332,541.40

Finding the Fourth Proportional to 12,256,330.20, 18,384,495.30 and 11,332,541.40

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Solution

The fourth proportional to 12,256,330.20, 18,384,495.30 and 11,332,541.40 is: 16,998,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,330.20 : 18,384,495.30 = 11,332,541.40 : x
  2. Step 2: Convert to fraction form
    12,256,330.20/18,384,495.30 = 11,332,541.40/x
  3. Step 3: Cross multiply
    12,256,330.20x = 18,384,495.30 × 11,332,541.40
  4. Step 4: Simplify right side
    12,256,330.20x = 208,343,054,105,355.44
  5. Step 5: Solve for x
    x = 208,343,054,105,355.44/12,256,330.20
  6. Step 6: Final answer
    x = 16,998,812.10

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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.