Home / 8,784,393.40-13,178,861.88-5,144,197.24

Finding the Fourth Proportional to 8,784,393.40, 13,178,861.88 and 5,144,197.24

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Solution

The fourth proportional to 8,784,393.40, 13,178,861.88 and 5,144,197.24 is: 7,717,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,393.40 : 13,178,861.88 = 5,144,197.24 : x
  2. Step 2: Convert to fraction form
    8,784,393.40/13,178,861.88 = 5,144,197.24/x
  3. Step 3: Cross multiply
    8,784,393.40x = 13,178,861.88 × 5,144,197.24
  4. Step 4: Simplify right side
    8,784,393.40x = 67,794,664,909,437.22
  5. Step 5: Solve for x
    x = 67,794,664,909,437.22/8,784,393.40
  6. Step 6: Final answer
    x = 7,717,626.23

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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.