Home / 30,431,911.12-45,654,865.22-9,962,290.96

Finding the Fourth Proportional to 30,431,911.12, 45,654,865.22 and 9,962,290.96

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Solution

The fourth proportional to 30,431,911.12, 45,654,865.22 and 9,962,290.96 is: 14,945,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431,911.12 : 45,654,865.22 = 9,962,290.96 : x
  2. Step 2: Convert to fraction form
    30,431,911.12/45,654,865.22 = 9,962,290.96/x
  3. Step 3: Cross multiply
    30,431,911.12x = 45,654,865.22 × 9,962,290.96
  4. Step 4: Simplify right side
    30,431,911.12x = 454,827,051,175,361.56
  5. Step 5: Solve for x
    x = 454,827,051,175,361.56/30,431,911.12
  6. Step 6: Final answer
    x = 14,945,727.51

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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.