Home / 8,698,997.57-12,004,284.61-4,831,766.78

Finding the Fourth Proportional to 8,698,997.57, 12,004,284.61 and 4,831,766.78

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Solution

The fourth proportional to 8,698,997.57, 12,004,284.61 and 4,831,766.78 is: 6,667,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698,997.57 : 12,004,284.61 = 4,831,766.78 : x
  2. Step 2: Convert to fraction form
    8,698,997.57/12,004,284.61 = 4,831,766.78/x
  3. Step 3: Cross multiply
    8,698,997.57x = 12,004,284.61 × 4,831,766.78
  4. Step 4: Simplify right side
    8,698,997.57x = 58,001,903,596,263.26
  5. Step 5: Solve for x
    x = 58,001,903,596,263.26/8,698,997.57
  6. Step 6: Final answer
    x = 6,667,653.73

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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.