Home / 20,546,467.80-30,760,719.30-19,956,643.80

Finding the Fourth Proportional to 20,546,467.80, 30,760,719.30 and 19,956,643.80

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Solution

The fourth proportional to 20,546,467.80, 30,760,719.30 and 19,956,643.80 is: 29,877,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546,467.80 : 30,760,719.30 = 19,956,643.80 : x
  2. Step 2: Convert to fraction form
    20,546,467.80/30,760,719.30 = 19,956,643.80/x
  3. Step 3: Cross multiply
    20,546,467.80x = 30,760,719.30 × 19,956,643.80
  4. Step 4: Simplify right side
    20,546,467.80x = 613,880,718,101,885.38
  5. Step 5: Solve for x
    x = 613,880,718,101,885.38/20,546,467.80
  6. Step 6: Final answer
    x = 29,877,676.50

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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.