Home / 20,313,267.65-30,472,213.47-7,365,516.51

Finding the Fourth Proportional to 20,313,267.65, 30,472,213.47 and 7,365,516.51

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Solution

The fourth proportional to 20,313,267.65, 30,472,213.47 and 7,365,516.51 is: 11,049,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,267.65 : 30,472,213.47 = 7,365,516.51 : x
  2. Step 2: Convert to fraction form
    20,313,267.65/30,472,213.47 = 7,365,516.51/x
  3. Step 3: Cross multiply
    20,313,267.65x = 30,472,213.47 × 7,365,516.51
  4. Step 4: Simplify right side
    20,313,267.65x = 224,443,591,496,179.50
  5. Step 5: Solve for x
    x = 224,443,591,496,179.50/20,313,267.65
  6. Step 6: Final answer
    x = 11,049,113.09

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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.