Home / 7,482,981.88-11,220,983.34-3,887,782.30

Finding the Fourth Proportional to 7,482,981.88, 11,220,983.34 and 3,887,782.30

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Solution

The fourth proportional to 7,482,981.88, 11,220,983.34 and 3,887,782.30 is: 5,829,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482,981.88 : 11,220,983.34 = 3,887,782.30 : x
  2. Step 2: Convert to fraction form
    7,482,981.88/11,220,983.34 = 3,887,782.30/x
  3. Step 3: Cross multiply
    7,482,981.88x = 11,220,983.34 × 3,887,782.30
  4. Step 4: Simplify right side
    7,482,981.88x = 43,624,740,417,846.88
  5. Step 5: Solve for x
    x = 43,624,740,417,846.88/7,482,981.88
  6. Step 6: Final answer
    x = 5,829,860.49

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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.