Home / 9,999,920.49-15,000,766.77-2,811,516.95

Finding the Fourth Proportional to 9,999,920.49, 15,000,766.77 and 2,811,516.95

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Solution

The fourth proportional to 9,999,920.49, 15,000,766.77 and 2,811,516.95 is: 4,217,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,920.49 : 15,000,766.77 = 2,811,516.95 : x
  2. Step 2: Convert to fraction form
    9,999,920.49/15,000,766.77 = 2,811,516.95/x
  3. Step 3: Cross multiply
    9,999,920.49x = 15,000,766.77 × 2,811,516.95
  4. Step 4: Simplify right side
    9,999,920.49x = 42,174,909,961,847.91
  5. Step 5: Solve for x
    x = 42,174,909,961,847.91/9,999,920.49
  6. Step 6: Final answer
    x = 4,217,524.53

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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.