Home / 8,711,925.21-12,022,748.46-4,791,847.12

Finding the Fourth Proportional to 8,711,925.21, 12,022,748.46 and 4,791,847.12

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Solution

The fourth proportional to 8,711,925.21, 12,022,748.46 and 4,791,847.12 is: 6,612,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,925.21 : 12,022,748.46 = 4,791,847.12 : x
  2. Step 2: Convert to fraction form
    8,711,925.21/12,022,748.46 = 4,791,847.12/x
  3. Step 3: Cross multiply
    8,711,925.21x = 12,022,748.46 × 4,791,847.12
  4. Step 4: Simplify right side
    8,711,925.21x = 57,611,172,552,478.56
  5. Step 5: Solve for x
    x = 57,611,172,552,478.56/8,711,925.21
  6. Step 6: Final answer
    x = 6,612,909.45

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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.