Home / 28,866,988.96-39,836,441.40-17,264,550.64

Finding the Fourth Proportional to 28,866,988.96, 39,836,441.40 and 17,264,550.64

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Solution

The fourth proportional to 28,866,988.96, 39,836,441.40 and 17,264,550.64 is: 23,825,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866,988.96 : 39,836,441.40 = 17,264,550.64 : x
  2. Step 2: Convert to fraction form
    28,866,988.96/39,836,441.40 = 17,264,550.64/x
  3. Step 3: Cross multiply
    28,866,988.96x = 39,836,441.40 × 17,264,550.64
  4. Step 4: Simplify right side
    28,866,988.96x = 687,758,259,867,692.50
  5. Step 5: Solve for x
    x = 687,758,259,867,692.50/28,866,988.96
  6. Step 6: Final answer
    x = 23,825,077.87

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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.