Home / 21,719,965.37-29,974,069.67-11,930,614.59

Finding the Fourth Proportional to 21,719,965.37, 29,974,069.67 and 11,930,614.59

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Solution

The fourth proportional to 21,719,965.37, 29,974,069.67 and 11,930,614.59 is: 16,464,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719,965.37 : 29,974,069.67 = 11,930,614.59 : x
  2. Step 2: Convert to fraction form
    21,719,965.37/29,974,069.67 = 11,930,614.59/x
  3. Step 3: Cross multiply
    21,719,965.37x = 29,974,069.67 × 11,930,614.59
  4. Step 4: Simplify right side
    21,719,965.37x = 357,609,072,926,578.50
  5. Step 5: Solve for x
    x = 357,609,072,926,578.50/21,719,965.37
  6. Step 6: Final answer
    x = 16,464,532.37

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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.