Home / 12,066,143.40-18,074,981.94-5,580,127.42

Finding the Fourth Proportional to 12,066,143.40, 18,074,981.94 and 5,580,127.42

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Solution

The fourth proportional to 12,066,143.40, 18,074,981.94 and 5,580,127.42 is: 8,358,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066,143.40 : 18,074,981.94 = 5,580,127.42 : x
  2. Step 2: Convert to fraction form
    12,066,143.40/18,074,981.94 = 5,580,127.42/x
  3. Step 3: Cross multiply
    12,066,143.40x = 18,074,981.94 × 5,580,127.42
  4. Step 4: Simplify right side
    12,066,143.40x = 100,860,702,339,398.80
  5. Step 5: Solve for x
    x = 100,860,702,339,398.80/12,066,143.40
  6. Step 6: Final answer
    x = 8,358,984.23

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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.