Home / 14,484,821.20-21,727,231.80-12,146,480.80

Finding the Fourth Proportional to 14,484,821.20, 21,727,231.80 and 12,146,480.80

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Solution

The fourth proportional to 14,484,821.20, 21,727,231.80 and 12,146,480.80 is: 18,219,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484,821.20 : 21,727,231.80 = 12,146,480.80 : x
  2. Step 2: Convert to fraction form
    14,484,821.20/21,727,231.80 = 12,146,480.80/x
  3. Step 3: Cross multiply
    14,484,821.20x = 21,727,231.80 × 12,146,480.80
  4. Step 4: Simplify right side
    14,484,821.20x = 263,909,403,895,849.47
  5. Step 5: Solve for x
    x = 263,909,403,895,849.47/14,484,821.20
  6. Step 6: Final answer
    x = 18,219,721.20

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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.