Home / 12,320,190.55-18,478,873.94-3,223,166.01

Finding the Fourth Proportional to 12,320,190.55, 18,478,873.94 and 3,223,166.01

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Solution

The fourth proportional to 12,320,190.55, 18,478,873.94 and 3,223,166.01 is: 4,834,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,190.55 : 18,478,873.94 = 3,223,166.01 : x
  2. Step 2: Convert to fraction form
    12,320,190.55/18,478,873.94 = 3,223,166.01/x
  3. Step 3: Cross multiply
    12,320,190.55x = 18,478,873.94 × 3,223,166.01
  4. Step 4: Simplify right side
    12,320,190.55x = 59,560,478,386,482.78
  5. Step 5: Solve for x
    x = 59,560,478,386,482.78/12,320,190.55
  6. Step 6: Final answer
    x = 4,834,379.64

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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.