Home / 19,919,723.88-27,488,845.68-12,184,197.96

Finding the Fourth Proportional to 19,919,723.88, 27,488,845.68 and 12,184,197.96

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Solution

The fourth proportional to 19,919,723.88, 27,488,845.68 and 12,184,197.96 is: 16,813,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919,723.88 : 27,488,845.68 = 12,184,197.96 : x
  2. Step 2: Convert to fraction form
    19,919,723.88/27,488,845.68 = 12,184,197.96/x
  3. Step 3: Cross multiply
    19,919,723.88x = 27,488,845.68 × 12,184,197.96
  4. Step 4: Simplify right side
    19,919,723.88x = 334,929,537,457,010.81
  5. Step 5: Solve for x
    x = 334,929,537,457,010.81/19,919,723.88
  6. Step 6: Final answer
    x = 16,813,964.87

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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.