Home / 28,490,265.36-39,318,561.36-16,101,503.64

Finding the Fourth Proportional to 28,490,265.36, 39,318,561.36 and 16,101,503.64

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Solution

The fourth proportional to 28,490,265.36, 39,318,561.36 and 16,101,503.64 is: 22,221,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490,265.36 : 39,318,561.36 = 16,101,503.64 : x
  2. Step 2: Convert to fraction form
    28,490,265.36/39,318,561.36 = 16,101,503.64/x
  3. Step 3: Cross multiply
    28,490,265.36x = 39,318,561.36 × 16,101,503.64
  4. Step 4: Simplify right side
    28,490,265.36x = 633,087,958,857,603.38
  5. Step 5: Solve for x
    x = 633,087,958,857,603.38/28,490,265.36
  6. Step 6: Final answer
    x = 22,221,202.61

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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.