Home / 8,423,913.60-12,628,120.20-4,580,118.94

Finding the Fourth Proportional to 8,423,913.60, 12,628,120.20 and 4,580,118.94

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Solution

The fourth proportional to 8,423,913.60, 12,628,120.20 and 4,580,118.94 is: 6,865,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,913.60 : 12,628,120.20 = 4,580,118.94 : x
  2. Step 2: Convert to fraction form
    8,423,913.60/12,628,120.20 = 4,580,118.94/x
  3. Step 3: Cross multiply
    8,423,913.60x = 12,628,120.20 × 4,580,118.94
  4. Step 4: Simplify right side
    8,423,913.60x = 57,838,292,504,616.59
  5. Step 5: Solve for x
    x = 57,838,292,504,616.59/8,423,913.60
  6. Step 6: Final answer
    x = 6,865,964.59

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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.