Home / 36,386,636.32-54,492,941.04-20,987,243.20

Finding the Fourth Proportional to 36,386,636.32, 54,492,941.04 and 20,987,243.20

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Solution

The fourth proportional to 36,386,636.32, 54,492,941.04 and 20,987,243.20 is: 31,430,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386,636.32 : 54,492,941.04 = 20,987,243.20 : x
  2. Step 2: Convert to fraction form
    36,386,636.32/54,492,941.04 = 20,987,243.20/x
  3. Step 3: Cross multiply
    36,386,636.32x = 54,492,941.04 × 20,987,243.20
  4. Step 4: Simplify right side
    36,386,636.32x = 1,143,656,606,289,740.75
  5. Step 5: Solve for x
    x = 1,143,656,606,289,740.75/36,386,636.32
  6. Step 6: Final answer
    x = 31,430,676.81

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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.