Home / 12,188,698.92-18,291,461.58-4,210,522.92

Finding the Fourth Proportional to 12,188,698.92, 18,291,461.58 and 4,210,522.92

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Solution

The fourth proportional to 12,188,698.92, 18,291,461.58 and 4,210,522.92 is: 6,318,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,698.92 : 18,291,461.58 = 4,210,522.92 : x
  2. Step 2: Convert to fraction form
    12,188,698.92/18,291,461.58 = 4,210,522.92/x
  3. Step 3: Cross multiply
    12,188,698.92x = 18,291,461.58 × 4,210,522.92
  4. Step 4: Simplify right side
    12,188,698.92x = 77,016,618,222,889.41
  5. Step 5: Solve for x
    x = 77,016,618,222,889.41/12,188,698.92
  6. Step 6: Final answer
    x = 6,318,690.68

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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.