Home / 7,320,408.30-10,980,612.45-5,430,840.30

Finding the Fourth Proportional to 7,320,408.30, 10,980,612.45 and 5,430,840.30

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Solution

The fourth proportional to 7,320,408.30, 10,980,612.45 and 5,430,840.30 is: 8,146,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,408.30 : 10,980,612.45 = 5,430,840.30 : x
  2. Step 2: Convert to fraction form
    7,320,408.30/10,980,612.45 = 5,430,840.30/x
  3. Step 3: Cross multiply
    7,320,408.30x = 10,980,612.45 × 5,430,840.30
  4. Step 4: Simplify right side
    7,320,408.30x = 59,633,952,612,141.73
  5. Step 5: Solve for x
    x = 59,633,952,612,141.73/7,320,408.30
  6. Step 6: Final answer
    x = 8,146,260.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.