Home / 28,969,511.70-43,487,445.15-17,008,986.90

Finding the Fourth Proportional to 28,969,511.70, 43,487,445.15 and 17,008,986.90

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Solution

The fourth proportional to 28,969,511.70, 43,487,445.15 and 17,008,986.90 is: 25,532,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,511.70 : 43,487,445.15 = 17,008,986.90 : x
  2. Step 2: Convert to fraction form
    28,969,511.70/43,487,445.15 = 17,008,986.90/x
  3. Step 3: Cross multiply
    28,969,511.70x = 43,487,445.15 × 17,008,986.90
  4. Step 4: Simplify right side
    28,969,511.70x = 739,677,384,870,818.50
  5. Step 5: Solve for x
    x = 739,677,384,870,818.50/28,969,511.70
  6. Step 6: Final answer
    x = 25,532,960.05

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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.