Home / 9,879,805.12-13,627,804.50-7,924,375.18

Finding the Fourth Proportional to 9,879,805.12, 13,627,804.50 and 7,924,375.18

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Solution

The fourth proportional to 9,879,805.12, 13,627,804.50 and 7,924,375.18 is: 10,930,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,805.12 : 13,627,804.50 = 7,924,375.18 : x
  2. Step 2: Convert to fraction form
    9,879,805.12/13,627,804.50 = 7,924,375.18/x
  3. Step 3: Cross multiply
    9,879,805.12x = 13,627,804.50 × 7,924,375.18
  4. Step 4: Simplify right side
    9,879,805.12x = 107,991,835,737,692.31
  5. Step 5: Solve for x
    x = 107,991,835,737,692.31/9,879,805.12
  6. Step 6: Final answer
    x = 10,930,563.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.