Home / 28,768,322.12-39,709,745.52-22,898,723

Finding the Fourth Proportional to 28,768,322.12, 39,709,745.52 and 22,898,723

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Solution

The fourth proportional to 28,768,322.12, 39,709,745.52 and 22,898,723 is: 31,607,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768,322.12 : 39,709,745.52 = 22,898,723 : x
  2. Step 2: Convert to fraction form
    28,768,322.12/39,709,745.52 = 22,898,723/x
  3. Step 3: Cross multiply
    28,768,322.12x = 39,709,745.52 × 22,898,723
  4. Step 4: Simplify right side
    28,768,322.12x = 909,302,463,062,971
  5. Step 5: Solve for x
    x = 909,302,463,062,971/28,768,322.12
  6. Step 6: Final answer
    x = 31,607,768.41

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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.