Home / 13,808,066.63-20,757,506.11-12,809,246.72

Finding the Fourth Proportional to 13,808,066.63, 20,757,506.11 and 12,809,246.72

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Solution

The fourth proportional to 13,808,066.63, 20,757,506.11 and 12,809,246.72 is: 19,255,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,066.63 : 20,757,506.11 = 12,809,246.72 : x
  2. Step 2: Convert to fraction form
    13,808,066.63/20,757,506.11 = 12,809,246.72/x
  3. Step 3: Cross multiply
    13,808,066.63x = 20,757,506.11 × 12,809,246.72
  4. Step 4: Simplify right side
    13,808,066.63x = 265,888,016,919,086.84
  5. Step 5: Solve for x
    x = 265,888,016,919,086.84/13,808,066.63
  6. Step 6: Final answer
    x = 19,255,991.74

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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.