Home / 9,163,788.78-12,645,288.57-5,296,560.42

Finding the Fourth Proportional to 9,163,788.78, 12,645,288.57 and 5,296,560.42

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Solution

The fourth proportional to 9,163,788.78, 12,645,288.57 and 5,296,560.42 is: 7,308,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163,788.78 : 12,645,288.57 = 5,296,560.42 : x
  2. Step 2: Convert to fraction form
    9,163,788.78/12,645,288.57 = 5,296,560.42/x
  3. Step 3: Cross multiply
    9,163,788.78x = 12,645,288.57 × 5,296,560.42
  4. Step 4: Simplify right side
    9,163,788.78x = 66,976,534,939,340.40
  5. Step 5: Solve for x
    x = 66,976,534,939,340.40/9,163,788.78
  6. Step 6: Final answer
    x = 7,308,825.70

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