Home / 12,066,161.62-18,075,009.15-5,580,145.60

Finding the Fourth Proportional to 12,066,161.62, 18,075,009.15 and 5,580,145.60

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Solution

The fourth proportional to 12,066,161.62, 18,075,009.15 and 5,580,145.60 is: 8,359,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066,161.62 : 18,075,009.15 = 5,580,145.60 : x
  2. Step 2: Convert to fraction form
    12,066,161.62/18,075,009.15 = 5,580,145.60/x
  3. Step 3: Cross multiply
    12,066,161.62x = 18,075,009.15 × 5,580,145.60
  4. Step 4: Simplify right side
    12,066,161.62x = 100,861,182,778,332.22
  5. Step 5: Solve for x
    x = 100,861,182,778,332.22/12,066,161.62
  6. Step 6: Final answer
    x = 8,359,011.42

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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.