Home / 14,422,439-19,902,912.76-8,227,474.69

Finding the Fourth Proportional to 14,422,439, 19,902,912.76 and 8,227,474.69

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Solution

The fourth proportional to 14,422,439, 19,902,912.76 and 8,227,474.69 is: 11,353,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422,439 : 19,902,912.76 = 8,227,474.69 : x
  2. Step 2: Convert to fraction form
    14,422,439/19,902,912.76 = 8,227,474.69/x
  3. Step 3: Cross multiply
    14,422,439x = 19,902,912.76 × 8,227,474.69
  4. Step 4: Simplify right side
    14,422,439x = 163,750,710,990,178.06
  5. Step 5: Solve for x
    x = 163,750,710,990,178.06/14,422,439
  6. Step 6: Final answer
    x = 11,353,884.80

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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.