Home / 21,915,329.78-30,229,978.01-14,473,060.35

Finding the Fourth Proportional to 21,915,329.78, 30,229,978.01 and 14,473,060.35

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Solution

The fourth proportional to 21,915,329.78, 30,229,978.01 and 14,473,060.35 is: 19,964,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,329.78 : 30,229,978.01 = 14,473,060.35 : x
  2. Step 2: Convert to fraction form
    21,915,329.78/30,229,978.01 = 14,473,060.35/x
  3. Step 3: Cross multiply
    21,915,329.78x = 30,229,978.01 × 14,473,060.35
  4. Step 4: Simplify right side
    21,915,329.78x = 437,520,296,045,537.56
  5. Step 5: Solve for x
    x = 437,520,296,045,537.56/21,915,329.78
  6. Step 6: Final answer
    x = 19,964,121.03

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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.