Home / 12,066,028.80-18,074,809.94-5,580,012.82

Finding the Fourth Proportional to 12,066,028.80, 18,074,809.94 and 5,580,012.82

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Solution

The fourth proportional to 12,066,028.80, 18,074,809.94 and 5,580,012.82 is: 8,358,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066,028.80 : 18,074,809.94 = 5,580,012.82 : x
  2. Step 2: Convert to fraction form
    12,066,028.80/18,074,809.94 = 5,580,012.82/x
  3. Step 3: Cross multiply
    12,066,028.80x = 18,074,809.94 × 5,580,012.82
  4. Step 4: Simplify right side
    12,066,028.80x = 100,857,671,184,263.44
  5. Step 5: Solve for x
    x = 100,857,671,184,263.44/12,066,028.80
  6. Step 6: Final answer
    x = 8,358,812.40

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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.