Home / 12,103,636.95-18,155,455.43-4,529,618.55

Finding the Fourth Proportional to 12,103,636.95, 18,155,455.43 and 4,529,618.55

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Solution

The fourth proportional to 12,103,636.95, 18,155,455.43 and 4,529,618.55 is: 6,794,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,636.95 : 18,155,455.43 = 4,529,618.55 : x
  2. Step 2: Convert to fraction form
    12,103,636.95/18,155,455.43 = 4,529,618.55/x
  3. Step 3: Cross multiply
    12,103,636.95x = 18,155,455.43 × 4,529,618.55
  4. Step 4: Simplify right side
    12,103,636.95x = 82,237,287,699,426.22
  5. Step 5: Solve for x
    x = 82,237,287,699,426.22/12,103,636.95
  6. Step 6: Final answer
    x = 6,794,427.83

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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.