Home / 19,080,439.26-28,620,367.29-7,712,821.50

Finding the Fourth Proportional to 19,080,439.26, 28,620,367.29 and 7,712,821.50

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Solution

The fourth proportional to 19,080,439.26, 28,620,367.29 and 7,712,821.50 is: 11,569,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080,439.26 : 28,620,367.29 = 7,712,821.50 : x
  2. Step 2: Convert to fraction form
    19,080,439.26/28,620,367.29 = 7,712,821.50/x
  3. Step 3: Cross multiply
    19,080,439.26x = 28,620,367.29 × 7,712,821.50
  4. Step 4: Simplify right side
    19,080,439.26x = 220,743,784,172,208.72
  5. Step 5: Solve for x
    x = 220,743,784,172,208.72/19,080,439.26
  6. Step 6: Final answer
    x = 11,569,114.38

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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.