Home / 20,401,877.85-30,602,816.78-6,757,130.18

Finding the Fourth Proportional to 20,401,877.85, 30,602,816.78 and 6,757,130.18

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Solution

The fourth proportional to 20,401,877.85, 30,602,816.78 and 6,757,130.18 is: 10,135,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,877.85 : 30,602,816.78 = 6,757,130.18 : x
  2. Step 2: Convert to fraction form
    20,401,877.85/30,602,816.78 = 6,757,130.18/x
  3. Step 3: Cross multiply
    20,401,877.85x = 30,602,816.78 × 6,757,130.18
  4. Step 4: Simplify right side
    20,401,877.85x = 206,787,216,670,348.66
  5. Step 5: Solve for x
    x = 206,787,216,670,348.66/20,401,877.85
  6. Step 6: Final answer
    x = 10,135,695.26

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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.