Home / 21,840,789.56-30,140,266.71-12,051,233.17

Finding the Fourth Proportional to 21,840,789.56, 30,140,266.71 and 12,051,233.17

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Solution

The fourth proportional to 21,840,789.56, 30,140,266.71 and 12,051,233.17 is: 16,630,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840,789.56 : 30,140,266.71 = 12,051,233.17 : x
  2. Step 2: Convert to fraction form
    21,840,789.56/30,140,266.71 = 12,051,233.17/x
  3. Step 3: Cross multiply
    21,840,789.56x = 30,140,266.71 × 12,051,233.17
  4. Step 4: Simplify right side
    21,840,789.56x = 363,227,381,928,198.75
  5. Step 5: Solve for x
    x = 363,227,381,928,198.75/21,840,789.56
  6. Step 6: Final answer
    x = 16,630,689.15

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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.