Home / 12,332,648.80-18,498,973.20-5,240,015.20

Finding the Fourth Proportional to 12,332,648.80, 18,498,973.20 and 5,240,015.20

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Solution

The fourth proportional to 12,332,648.80, 18,498,973.20 and 5,240,015.20 is: 7,860,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,648.80 : 18,498,973.20 = 5,240,015.20 : x
  2. Step 2: Convert to fraction form
    12,332,648.80/18,498,973.20 = 5,240,015.20/x
  3. Step 3: Cross multiply
    12,332,648.80x = 18,498,973.20 × 5,240,015.20
  4. Step 4: Simplify right side
    12,332,648.80x = 96,934,900,752,392.64
  5. Step 5: Solve for x
    x = 96,934,900,752,392.64/12,332,648.80
  6. Step 6: Final answer
    x = 7,860,022.80

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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.