Home / 12,995,914-19,500,690.84-5,325,252.88

Finding the Fourth Proportional to 12,995,914, 19,500,690.84 and 5,325,252.88

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Solution

The fourth proportional to 12,995,914, 19,500,690.84 and 5,325,252.88 is: 7,990,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,914 : 19,500,690.84 = 5,325,252.88 : x
  2. Step 2: Convert to fraction form
    12,995,914/19,500,690.84 = 5,325,252.88/x
  3. Step 3: Cross multiply
    12,995,914x = 19,500,690.84 × 5,325,252.88
  4. Step 4: Simplify right side
    12,995,914x = 103,846,110,057,699.61
  5. Step 5: Solve for x
    x = 103,846,110,057,699.61/12,995,914
  6. Step 6: Final answer
    x = 7,990,673.84

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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.