Home / 8,163,539.60-11,261,915.30-5,263,861.90

Finding the Fourth Proportional to 8,163,539.60, 11,261,915.30 and 5,263,861.90

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Solution

The fourth proportional to 8,163,539.60, 11,261,915.30 and 5,263,861.90 is: 7,261,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163,539.60 : 11,261,915.30 = 5,263,861.90 : x
  2. Step 2: Convert to fraction form
    8,163,539.60/11,261,915.30 = 5,263,861.90/x
  3. Step 3: Cross multiply
    8,163,539.60x = 11,261,915.30 × 5,263,861.90
  4. Step 4: Simplify right side
    8,163,539.60x = 59,281,166,868,697.08
  5. Step 5: Solve for x
    x = 59,281,166,868,697.08/8,163,539.60
  6. Step 6: Final answer
    x = 7,261,698.94

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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.