Home / 25,922,936.79-38,857,246.28-12,078,479.98

Finding the Fourth Proportional to 25,922,936.79, 38,857,246.28 and 12,078,479.98

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Solution

The fourth proportional to 25,922,936.79, 38,857,246.28 and 12,078,479.98 is: 18,105,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,922,936.79 : 38,857,246.28 = 12,078,479.98 : x
  2. Step 2: Convert to fraction form
    25,922,936.79/38,857,246.28 = 12,078,479.98/x
  3. Step 3: Cross multiply
    25,922,936.79x = 38,857,246.28 × 12,078,479.98
  4. Step 4: Simplify right side
    25,922,936.79x = 469,336,471,225,481.69
  5. Step 5: Solve for x
    x = 469,336,471,225,481.69/25,922,936.79
  6. Step 6: Final answer
    x = 18,105,065.60

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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.