Home / 6,243,136.18-8,616,624.25-3,630,448.78

Finding the Fourth Proportional to 6,243,136.18, 8,616,624.25 and 3,630,448.78

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Solution

The fourth proportional to 6,243,136.18, 8,616,624.25 and 3,630,448.78 is: 5,010,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243,136.18 : 8,616,624.25 = 3,630,448.78 : x
  2. Step 2: Convert to fraction form
    6,243,136.18/8,616,624.25 = 3,630,448.78/x
  3. Step 3: Cross multiply
    6,243,136.18x = 8,616,624.25 × 3,630,448.78
  4. Step 4: Simplify right side
    6,243,136.18x = 31,282,212,965,513.23
  5. Step 5: Solve for x
    x = 31,282,212,965,513.23/6,243,136.18
  6. Step 6: Final answer
    x = 5,010,656.84

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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.