Home / 12,103,620.95-18,155,431.43-4,529,602.55

Finding the Fourth Proportional to 12,103,620.95, 18,155,431.43 and 4,529,602.55

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Solution

The fourth proportional to 12,103,620.95, 18,155,431.43 and 4,529,602.55 is: 6,794,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,620.95 : 18,155,431.43 = 4,529,602.55 : x
  2. Step 2: Convert to fraction form
    12,103,620.95/18,155,431.43 = 4,529,602.55/x
  3. Step 3: Cross multiply
    12,103,620.95x = 18,155,431.43 × 4,529,602.55
  4. Step 4: Simplify right side
    12,103,620.95x = 82,236,888,501,678.14
  5. Step 5: Solve for x
    x = 82,236,888,501,678.14/12,103,620.95
  6. Step 6: Final answer
    x = 6,794,403.83

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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.