Home / 20,599,731.84-28,426,304.96-12,864,309.44

Finding the Fourth Proportional to 20,599,731.84, 28,426,304.96 and 12,864,309.44

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Solution

The fourth proportional to 20,599,731.84, 28,426,304.96 and 12,864,309.44 is: 17,751,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599,731.84 : 28,426,304.96 = 12,864,309.44 : x
  2. Step 2: Convert to fraction form
    20,599,731.84/28,426,304.96 = 12,864,309.44/x
  3. Step 3: Cross multiply
    20,599,731.84x = 28,426,304.96 × 12,864,309.44
  4. Step 4: Simplify right side
    20,599,731.84x = 365,684,783,241,246.81
  5. Step 5: Solve for x
    x = 365,684,783,241,246.81/20,599,731.84
  6. Step 6: Final answer
    x = 17,751,919.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.