Home / 18,828,211.64-25,981,506.14-10,566,678.36

Finding the Fourth Proportional to 18,828,211.64, 25,981,506.14 and 10,566,678.36

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Solution

The fourth proportional to 18,828,211.64, 25,981,506.14 and 10,566,678.36 is: 14,581,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828,211.64 : 25,981,506.14 = 10,566,678.36 : x
  2. Step 2: Convert to fraction form
    18,828,211.64/25,981,506.14 = 10,566,678.36/x
  3. Step 3: Cross multiply
    18,828,211.64x = 25,981,506.14 × 10,566,678.36
  4. Step 4: Simplify right side
    18,828,211.64x = 274,538,218,689,745.12
  5. Step 5: Solve for x
    x = 274,538,218,689,745.12/18,828,211.64
  6. Step 6: Final answer
    x = 14,581,215.89

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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.