Home / 21,420,566.98-32,131,883.82-7,043,316.46

Finding the Fourth Proportional to 21,420,566.98, 32,131,883.82 and 7,043,316.46

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Solution

The fourth proportional to 21,420,566.98, 32,131,883.82 and 7,043,316.46 is: 10,565,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,420,566.98 : 32,131,883.82 = 7,043,316.46 : x
  2. Step 2: Convert to fraction form
    21,420,566.98/32,131,883.82 = 7,043,316.46/x
  3. Step 3: Cross multiply
    21,420,566.98x = 32,131,883.82 × 7,043,316.46
  4. Step 4: Simplify right side
    21,420,566.98x = 226,315,026,146,296.41
  5. Step 5: Solve for x
    x = 226,315,026,146,296.41/21,420,566.98
  6. Step 6: Final answer
    x = 10,565,314.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.