Home / 7,520,912.88-10,378,859.67-4,083,153.91

Finding the Fourth Proportional to 7,520,912.88, 10,378,859.67 and 4,083,153.91

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Solution

The fourth proportional to 7,520,912.88, 10,378,859.67 and 4,083,153.91 is: 5,634,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,912.88 : 10,378,859.67 = 4,083,153.91 : x
  2. Step 2: Convert to fraction form
    7,520,912.88/10,378,859.67 = 4,083,153.91/x
  3. Step 3: Cross multiply
    7,520,912.88x = 10,378,859.67 × 4,083,153.91
  4. Step 4: Simplify right side
    7,520,912.88x = 42,378,481,391,007.51
  5. Step 5: Solve for x
    x = 42,378,481,391,007.51/7,520,912.88
  6. Step 6: Final answer
    x = 5,634,752.34

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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.