Home / 30,431,521.95-45,651,546.77-9,962,843.55

Finding the Fourth Proportional to 30,431,521.95, 45,651,546.77 and 9,962,843.55

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Solution

The fourth proportional to 30,431,521.95, 45,651,546.77 and 9,962,843.55 is: 14,945,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431,521.95 : 45,651,546.77 = 9,962,843.55 : x
  2. Step 2: Convert to fraction form
    30,431,521.95/45,651,546.77 = 9,962,843.55/x
  3. Step 3: Cross multiply
    30,431,521.95x = 45,651,546.77 × 9,962,843.55
  4. Step 4: Simplify right side
    30,431,521.95x = 454,819,218,235,203.62
  5. Step 5: Solve for x
    x = 454,819,218,235,203.62/30,431,521.95
  6. Step 6: Final answer
    x = 14,945,661.25

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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.