Home / 21,720,014.16-29,974,137.02-11,930,663.38

Finding the Fourth Proportional to 21,720,014.16, 29,974,137.02 and 11,930,663.38

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Solution

The fourth proportional to 21,720,014.16, 29,974,137.02 and 11,930,663.38 is: 16,464,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,014.16 : 29,974,137.02 = 11,930,663.38 : x
  2. Step 2: Convert to fraction form
    21,720,014.16/29,974,137.02 = 11,930,663.38/x
  3. Step 3: Cross multiply
    21,720,014.16x = 29,974,137.02 × 11,930,663.38
  4. Step 4: Simplify right side
    21,720,014.16x = 357,611,338,891,616.38
  5. Step 5: Solve for x
    x = 357,611,338,891,616.38/21,720,014.16
  6. Step 6: Final answer
    x = 16,464,599.71

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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.