Home / 9,879,256.25-13,633,535.06-5,408,736.77

Finding the Fourth Proportional to 9,879,256.25, 13,633,535.06 and 5,408,736.77

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Solution

The fourth proportional to 9,879,256.25, 13,633,535.06 and 5,408,736.77 is: 7,464,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,256.25 : 13,633,535.06 = 5,408,736.77 : x
  2. Step 2: Convert to fraction form
    9,879,256.25/13,633,535.06 = 5,408,736.77/x
  3. Step 3: Cross multiply
    9,879,256.25x = 13,633,535.06 × 5,408,736.77
  4. Step 4: Simplify right side
    9,879,256.25x = 73,740,202,391,146.31
  5. Step 5: Solve for x
    x = 73,740,202,391,146.31/9,879,256.25
  6. Step 6: Final answer
    x = 7,464,145.12

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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.