Home / 12,066,142.40-18,074,980.44-5,580,126.42

Finding the Fourth Proportional to 12,066,142.40, 18,074,980.44 and 5,580,126.42

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Solution

The fourth proportional to 12,066,142.40, 18,074,980.44 and 5,580,126.42 is: 8,358,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066,142.40 : 18,074,980.44 = 5,580,126.42 : x
  2. Step 2: Convert to fraction form
    12,066,142.40/18,074,980.44 = 5,580,126.42/x
  3. Step 3: Cross multiply
    12,066,142.40x = 18,074,980.44 × 5,580,126.42
  4. Step 4: Simplify right side
    12,066,142.40x = 100,860,675,894,227.23
  5. Step 5: Solve for x
    x = 100,860,675,894,227.23/12,066,142.40
  6. Step 6: Final answer
    x = 8,358,982.73

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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.