Home / 9,999,933.66-15,000,786.45-2,811,530.07

Finding the Fourth Proportional to 9,999,933.66, 15,000,786.45 and 2,811,530.07

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Solution

The fourth proportional to 9,999,933.66, 15,000,786.45 and 2,811,530.07 is: 4,217,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,933.66 : 15,000,786.45 = 2,811,530.07 : x
  2. Step 2: Convert to fraction form
    9,999,933.66/15,000,786.45 = 2,811,530.07/x
  3. Step 3: Cross multiply
    9,999,933.66x = 15,000,786.45 × 2,811,530.07
  4. Step 4: Simplify right side
    9,999,933.66x = 42,175,162,177,823.55
  5. Step 5: Solve for x
    x = 42,175,162,177,823.55/9,999,933.66
  6. Step 6: Final answer
    x = 4,217,544.20

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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.