Home / 7,021,348-9,689,496.06-3,923,923.06

Finding the Fourth Proportional to 7,021,348, 9,689,496.06 and 3,923,923.06

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Solution

The fourth proportional to 7,021,348, 9,689,496.06 and 3,923,923.06 is: 5,415,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,348 : 9,689,496.06 = 3,923,923.06 : x
  2. Step 2: Convert to fraction form
    7,021,348/9,689,496.06 = 3,923,923.06/x
  3. Step 3: Cross multiply
    7,021,348x = 9,689,496.06 × 3,923,923.06
  4. Step 4: Simplify right side
    7,021,348x = 38,020,837,029,613.15
  5. Step 5: Solve for x
    x = 38,020,837,029,613.15/7,021,348
  6. Step 6: Final answer
    x = 5,415,033.84

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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.