Home / 28,768,321.87-39,709,745.18-22,898,722.75

Finding the Fourth Proportional to 28,768,321.87, 39,709,745.18 and 22,898,722.75

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Solution

The fourth proportional to 28,768,321.87, 39,709,745.18 and 22,898,722.75 is: 31,607,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768,321.87 : 39,709,745.18 = 22,898,722.75 : x
  2. Step 2: Convert to fraction form
    28,768,321.87/39,709,745.18 = 22,898,722.75/x
  3. Step 3: Cross multiply
    28,768,321.87x = 39,709,745.18 × 22,898,722.75
  4. Step 4: Simplify right side
    28,768,321.87x = 909,302,445,235,475.12
  5. Step 5: Solve for x
    x = 909,302,445,235,475.12/28,768,321.87
  6. Step 6: Final answer
    x = 31,607,768.06

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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.