Home / 13,840,663.20-20,760,994.80-8,077,480.80

Finding the Fourth Proportional to 13,840,663.20, 20,760,994.80 and 8,077,480.80

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Solution

The fourth proportional to 13,840,663.20, 20,760,994.80 and 8,077,480.80 is: 12,116,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,663.20 : 20,760,994.80 = 8,077,480.80 : x
  2. Step 2: Convert to fraction form
    13,840,663.20/20,760,994.80 = 8,077,480.80/x
  3. Step 3: Cross multiply
    13,840,663.20x = 20,760,994.80 × 8,077,480.80
  4. Step 4: Simplify right side
    13,840,663.20x = 167,696,536,885,899.84
  5. Step 5: Solve for x
    x = 167,696,536,885,899.84/13,840,663.20
  6. Step 6: Final answer
    x = 12,116,221.20

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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.