Home / 7,189,678.94-10,784,739.84-3,144,084.32

Finding the Fourth Proportional to 7,189,678.94, 10,784,739.84 and 3,144,084.32

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Solution

The fourth proportional to 7,189,678.94, 10,784,739.84 and 3,144,084.32 is: 4,716,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,678.94 : 10,784,739.84 = 3,144,084.32 : x
  2. Step 2: Convert to fraction form
    7,189,678.94/10,784,739.84 = 3,144,084.32/x
  3. Step 3: Cross multiply
    7,189,678.94x = 10,784,739.84 × 3,144,084.32
  4. Step 4: Simplify right side
    7,189,678.94x = 33,908,131,426,223.30
  5. Step 5: Solve for x
    x = 33,908,131,426,223.30/7,189,678.94
  6. Step 6: Final answer
    x = 4,716,223.31

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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.