Home / 6,145,664.80-9,218,497.20-3,311,312.80

Finding the Fourth Proportional to 6,145,664.80, 9,218,497.20 and 3,311,312.80

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Solution

The fourth proportional to 6,145,664.80, 9,218,497.20 and 3,311,312.80 is: 4,966,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,664.80 : 9,218,497.20 = 3,311,312.80 : x
  2. Step 2: Convert to fraction form
    6,145,664.80/9,218,497.20 = 3,311,312.80/x
  3. Step 3: Cross multiply
    6,145,664.80x = 9,218,497.20 × 3,311,312.80
  4. Step 4: Simplify right side
    6,145,664.80x = 30,525,327,775,124.16
  5. Step 5: Solve for x
    x = 30,525,327,775,124.16/6,145,664.80
  6. Step 6: Final answer
    x = 4,966,969.20

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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.