Home / 30,431,907.81-45,654,860.25-9,962,287.65

Finding the Fourth Proportional to 30,431,907.81, 45,654,860.25 and 9,962,287.65

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Solution

The fourth proportional to 30,431,907.81, 45,654,860.25 and 9,962,287.65 is: 14,945,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431,907.81 : 45,654,860.25 = 9,962,287.65 : x
  2. Step 2: Convert to fraction form
    30,431,907.81/45,654,860.25 = 9,962,287.65/x
  3. Step 3: Cross multiply
    30,431,907.81x = 45,654,860.25 × 9,962,287.65
  4. Step 4: Simplify right side
    30,431,907.81x = 454,826,850,431,050.94
  5. Step 5: Solve for x
    x = 454,826,850,431,050.94/30,431,907.81
  6. Step 6: Final answer
    x = 14,945,722.54

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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.