Home / 14,091,663.24-19,447,694.58-7,981,178.76

Finding the Fourth Proportional to 14,091,663.24, 19,447,694.58 and 7,981,178.76

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Solution

The fourth proportional to 14,091,663.24, 19,447,694.58 and 7,981,178.76 is: 11,014,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091,663.24 : 19,447,694.58 = 7,981,178.76 : x
  2. Step 2: Convert to fraction form
    14,091,663.24/19,447,694.58 = 7,981,178.76/x
  3. Step 3: Cross multiply
    14,091,663.24x = 19,447,694.58 × 7,981,178.76
  4. Step 4: Simplify right side
    14,091,663.24x = 155,215,526,912,863.09
  5. Step 5: Solve for x
    x = 155,215,526,912,863.09/14,091,663.24
  6. Step 6: Final answer
    x = 11,014,705.95

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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.