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Finding the Fourth Proportional to 7,664,692.42, 11,492,762.44 and 2,544,341.61

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Solution

The fourth proportional to 7,664,692.42, 11,492,762.44 and 2,544,341.61 is: 3,815,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664,692.42 : 11,492,762.44 = 2,544,341.61 : x
  2. Step 2: Convert to fraction form
    7,664,692.42/11,492,762.44 = 2,544,341.61/x
  3. Step 3: Cross multiply
    7,664,692.42x = 11,492,762.44 × 2,544,341.61
  4. Step 4: Simplify right side
    7,664,692.42x = 29,241,513,689,937.12
  5. Step 5: Solve for x
    x = 29,241,513,689,937.12/7,664,692.42
  6. Step 6: Final answer
    x = 3,815,092.91

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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.