Home / 15,795,209.93-21,796,998.48-8,825,459.63

Finding the Fourth Proportional to 15,795,209.93, 21,796,998.48 and 8,825,459.63

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Solution

The fourth proportional to 15,795,209.93, 21,796,998.48 and 8,825,459.63 is: 12,178,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795,209.93 : 21,796,998.48 = 8,825,459.63 : x
  2. Step 2: Convert to fraction form
    15,795,209.93/21,796,998.48 = 8,825,459.63/x
  3. Step 3: Cross multiply
    15,795,209.93x = 21,796,998.48 × 8,825,459.63
  4. Step 4: Simplify right side
    15,795,209.93x = 192,368,530,031,426.38
  5. Step 5: Solve for x
    x = 192,368,530,031,426.38/15,795,209.93
  6. Step 6: Final answer
    x = 12,178,915.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.