Home / 22,563,436.80-31,137,907.20-12,773,625.60

Finding the Fourth Proportional to 22,563,436.80, 31,137,907.20 and 12,773,625.60

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Solution

The fourth proportional to 22,563,436.80, 31,137,907.20 and 12,773,625.60 is: 17,627,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,563,436.80 : 31,137,907.20 = 12,773,625.60 : x
  2. Step 2: Convert to fraction form
    22,563,436.80/31,137,907.20 = 12,773,625.60/x
  3. Step 3: Cross multiply
    22,563,436.80x = 31,137,907.20 × 12,773,625.60
  4. Step 4: Simplify right side
    22,563,436.80x = 397,743,968,540,344.31
  5. Step 5: Solve for x
    x = 397,743,968,540,344.31/22,563,436.80
  6. Step 6: Final answer
    x = 17,627,809.63

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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.