Home / 8,764,523.20-13,146,784.80-2,780,881.60

Finding the Fourth Proportional to 8,764,523.20, 13,146,784.80 and 2,780,881.60

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Solution

The fourth proportional to 8,764,523.20, 13,146,784.80 and 2,780,881.60 is: 4,171,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,523.20 : 13,146,784.80 = 2,780,881.60 : x
  2. Step 2: Convert to fraction form
    8,764,523.20/13,146,784.80 = 2,780,881.60/x
  3. Step 3: Cross multiply
    8,764,523.20x = 13,146,784.80 × 2,780,881.60
  4. Step 4: Simplify right side
    8,764,523.20x = 36,559,651,949,479.68
  5. Step 5: Solve for x
    x = 36,559,651,949,479.68/8,764,523.20
  6. Step 6: Final answer
    x = 4,171,322.40

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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.