Home / 12,400,951.20-18,604,984.32-5,208,786.24

Finding the Fourth Proportional to 12,400,951.20, 18,604,984.32 and 5,208,786.24

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Solution

The fourth proportional to 12,400,951.20, 18,604,984.32 and 5,208,786.24 is: 7,814,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,951.20 : 18,604,984.32 = 5,208,786.24 : x
  2. Step 2: Convert to fraction form
    12,400,951.20/18,604,984.32 = 5,208,786.24/x
  3. Step 3: Cross multiply
    12,400,951.20x = 18,604,984.32 × 5,208,786.24
  4. Step 4: Simplify right side
    12,400,951.20x = 96,909,386,321,431.77
  5. Step 5: Solve for x
    x = 96,909,386,321,431.77/12,400,951.20
  6. Step 6: Final answer
    x = 7,814,673.63

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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.