Home / 21,311,340.63-31,975,063.94-12,797,612.07

Finding the Fourth Proportional to 21,311,340.63, 31,975,063.94 and 12,797,612.07

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Solution

The fourth proportional to 21,311,340.63, 31,975,063.94 and 12,797,612.07 is: 19,201,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,311,340.63 : 31,975,063.94 = 12,797,612.07 : x
  2. Step 2: Convert to fraction form
    21,311,340.63/31,975,063.94 = 12,797,612.07/x
  3. Step 3: Cross multiply
    21,311,340.63x = 31,975,063.94 × 12,797,612.07
  4. Step 4: Simplify right side
    21,311,340.63x = 409,204,464,217,565.81
  5. Step 5: Solve for x
    x = 409,204,464,217,565.81/21,311,340.63
  6. Step 6: Final answer
    x = 19,201,253.99

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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.