Home / 6,984,575.61-9,638,193.29-3,928,199.37

Finding the Fourth Proportional to 6,984,575.61, 9,638,193.29 and 3,928,199.37

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Solution

The fourth proportional to 6,984,575.61, 9,638,193.29 and 3,928,199.37 is: 5,420,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984,575.61 : 9,638,193.29 = 3,928,199.37 : x
  2. Step 2: Convert to fraction form
    6,984,575.61/9,638,193.29 = 3,928,199.37/x
  3. Step 3: Cross multiply
    6,984,575.61x = 9,638,193.29 × 3,928,199.37
  4. Step 4: Simplify right side
    6,984,575.61x = 37,860,744,790,075.23
  5. Step 5: Solve for x
    x = 37,860,744,790,075.23/6,984,575.61
  6. Step 6: Final answer
    x = 5,420,622.08

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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.