Home / 7,629,625.34-10,528,895.46-4,144,977.78

Finding the Fourth Proportional to 7,629,625.34, 10,528,895.46 and 4,144,977.78

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Solution

The fourth proportional to 7,629,625.34, 10,528,895.46 and 4,144,977.78 is: 5,720,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629,625.34 : 10,528,895.46 = 4,144,977.78 : x
  2. Step 2: Convert to fraction form
    7,629,625.34/10,528,895.46 = 4,144,977.78/x
  3. Step 3: Cross multiply
    7,629,625.34x = 10,528,895.46 × 4,144,977.78
  4. Step 4: Simplify right side
    7,629,625.34x = 43,642,037,694,280.55
  5. Step 5: Solve for x
    x = 43,642,037,694,280.55/7,629,625.34
  6. Step 6: Final answer
    x = 5,720,076.12

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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.