Home / 12,304,600.80-18,456,901.20-7,261,605.60

Finding the Fourth Proportional to 12,304,600.80, 18,456,901.20 and 7,261,605.60

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Solution

The fourth proportional to 12,304,600.80, 18,456,901.20 and 7,261,605.60 is: 10,892,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,600.80 : 18,456,901.20 = 7,261,605.60 : x
  2. Step 2: Convert to fraction form
    12,304,600.80/18,456,901.20 = 7,261,605.60/x
  3. Step 3: Cross multiply
    12,304,600.80x = 18,456,901.20 × 7,261,605.60
  4. Step 4: Simplify right side
    12,304,600.80x = 134,026,737,112,566.70
  5. Step 5: Solve for x
    x = 134,026,737,112,566.70/12,304,600.80
  6. Step 6: Final answer
    x = 10,892,408.40

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1.5x scale

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.