Home / 7,401,520.70-10,208,462.87-6,370,782.78

Finding the Fourth Proportional to 7,401,520.70, 10,208,462.87 and 6,370,782.78

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Solution

The fourth proportional to 7,401,520.70, 10,208,462.87 and 6,370,782.78 is: 8,786,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401,520.70 : 10,208,462.87 = 6,370,782.78 : x
  2. Step 2: Convert to fraction form
    7,401,520.70/10,208,462.87 = 6,370,782.78/x
  3. Step 3: Cross multiply
    7,401,520.70x = 10,208,462.87 × 6,370,782.78
  4. Step 4: Simplify right side
    7,401,520.70x = 65,035,899,462,465.38
  5. Step 5: Solve for x
    x = 65,035,899,462,465.38/7,401,520.70
  6. Step 6: Final answer
    x = 8,786,829.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.