Home / 28,656,284.34-39,545,503.94-15,603,512.01

Finding the Fourth Proportional to 28,656,284.34, 39,545,503.94 and 15,603,512.01

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Solution

The fourth proportional to 28,656,284.34, 39,545,503.94 and 15,603,512.01 is: 21,532,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,284.34 : 39,545,503.94 = 15,603,512.01 : x
  2. Step 2: Convert to fraction form
    28,656,284.34/39,545,503.94 = 15,603,512.01/x
  3. Step 3: Cross multiply
    28,656,284.34x = 39,545,503.94 × 15,603,512.01
  4. Step 4: Simplify right side
    28,656,284.34x = 617,048,745,591,274.75
  5. Step 5: Solve for x
    x = 617,048,745,591,274.75/28,656,284.34
  6. Step 6: Final answer
    x = 21,532,754.85

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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.