Home / 21,173,904.86-29,203,514.85-15,315,515.17

Finding the Fourth Proportional to 21,173,904.86, 29,203,514.85 and 15,315,515.17

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Solution

The fourth proportional to 21,173,904.86, 29,203,514.85 and 15,315,515.17 is: 21,123,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173,904.86 : 29,203,514.85 = 15,315,515.17 : x
  2. Step 2: Convert to fraction form
    21,173,904.86/29,203,514.85 = 15,315,515.17/x
  3. Step 3: Cross multiply
    21,173,904.86x = 29,203,514.85 × 15,315,515.17
  4. Step 4: Simplify right side
    21,173,904.86x = 447,266,874,680,896.94
  5. Step 5: Solve for x
    x = 447,266,874,680,896.94/21,173,904.86
  6. Step 6: Final answer
    x = 21,123,495.06

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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.