Home / 28,656,284.67-39,545,504.40-15,603,512.33

Finding the Fourth Proportional to 28,656,284.67, 39,545,504.40 and 15,603,512.33

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Solution

The fourth proportional to 28,656,284.67, 39,545,504.40 and 15,603,512.33 is: 21,532,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,284.67 : 39,545,504.40 = 15,603,512.33 : x
  2. Step 2: Convert to fraction form
    28,656,284.67/39,545,504.40 = 15,603,512.33/x
  3. Step 3: Cross multiply
    28,656,284.67x = 39,545,504.40 × 15,603,512.33
  4. Step 4: Simplify right side
    28,656,284.67x = 617,048,765,423,451.75
  5. Step 5: Solve for x
    x = 617,048,765,423,451.75/28,656,284.67
  6. Step 6: Final answer
    x = 21,532,755.30

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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.