Home / 9,682,138.88-13,336,745.28-7,386,313.76

Finding the Fourth Proportional to 9,682,138.88, 13,336,745.28 and 7,386,313.76

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Solution

The fourth proportional to 9,682,138.88, 13,336,745.28 and 7,386,313.76 is: 10,174,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,682,138.88 : 13,336,745.28 = 7,386,313.76 : x
  2. Step 2: Convert to fraction form
    9,682,138.88/13,336,745.28 = 7,386,313.76/x
  3. Step 3: Cross multiply
    9,682,138.88x = 13,336,745.28 × 7,386,313.76
  4. Step 4: Simplify right side
    9,682,138.88x = 98,509,385,175,279.05
  5. Step 5: Solve for x
    x = 98,509,385,175,279.05/9,682,138.88
  6. Step 6: Final answer
    x = 10,174,341.27

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1.5x scale

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.