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Finding the Fourth Proportional to 8,108,602.86, 12,163,974.54 and 2,994,627.30

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Solution

The fourth proportional to 8,108,602.86, 12,163,974.54 and 2,994,627.30 is: 4,492,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108,602.86 : 12,163,974.54 = 2,994,627.30 : x
  2. Step 2: Convert to fraction form
    8,108,602.86/12,163,974.54 = 2,994,627.30/x
  3. Step 3: Cross multiply
    8,108,602.86x = 12,163,974.54 × 2,994,627.30
  4. Step 4: Simplify right side
    8,108,602.86x = 36,426,570,233,988.94
  5. Step 5: Solve for x
    x = 36,426,570,233,988.94/8,108,602.86
  6. Step 6: Final answer
    x = 4,492,336.21

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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.