Home / 25,870,443.84-38,786,179.68-15,633,126.72

Finding the Fourth Proportional to 25,870,443.84, 38,786,179.68 and 15,633,126.72

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Solution

The fourth proportional to 25,870,443.84, 38,786,179.68 and 15,633,126.72 is: 23,437,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870,443.84 : 38,786,179.68 = 15,633,126.72 : x
  2. Step 2: Convert to fraction form
    25,870,443.84/38,786,179.68 = 15,633,126.72/x
  3. Step 3: Cross multiply
    25,870,443.84x = 38,786,179.68 × 15,633,126.72
  4. Step 4: Simplify right side
    25,870,443.84x = 606,349,261,922,129.12
  5. Step 5: Solve for x
    x = 606,349,261,922,129.12/25,870,443.84
  6. Step 6: Final answer
    x = 23,437,914.93

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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.