Home / 14,001,881.20-21,002,821.80-8,238,698.80

Finding the Fourth Proportional to 14,001,881.20, 21,002,821.80 and 8,238,698.80

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Solution

The fourth proportional to 14,001,881.20, 21,002,821.80 and 8,238,698.80 is: 12,358,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,881.20 : 21,002,821.80 = 8,238,698.80 : x
  2. Step 2: Convert to fraction form
    14,001,881.20/21,002,821.80 = 8,238,698.80/x
  3. Step 3: Cross multiply
    14,001,881.20x = 21,002,821.80 × 8,238,698.80
  4. Step 4: Simplify right side
    14,001,881.20x = 173,035,922,760,273.84
  5. Step 5: Solve for x
    x = 173,035,922,760,273.84/14,001,881.20
  6. Step 6: Final answer
    x = 12,358,048.20

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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.