Home / 9,072,292.80-13,592,692.80-8,505,422.40

Finding the Fourth Proportional to 9,072,292.80, 13,592,692.80 and 8,505,422.40

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Solution

The fourth proportional to 9,072,292.80, 13,592,692.80 and 8,505,422.40 is: 12,743,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,292.80 : 13,592,692.80 = 8,505,422.40 : x
  2. Step 2: Convert to fraction form
    9,072,292.80/13,592,692.80 = 8,505,422.40/x
  3. Step 3: Cross multiply
    9,072,292.80x = 13,592,692.80 × 8,505,422.40
  4. Step 4: Simplify right side
    9,072,292.80x = 115,611,593,817,438.73
  5. Step 5: Solve for x
    x = 115,611,593,817,438.73/9,072,292.80
  6. Step 6: Final answer
    x = 12,743,371.09

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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.