Home / 28,325,905.94-39,086,282.55-17,867,995.89

Finding the Fourth Proportional to 28,325,905.94, 39,086,282.55 and 17,867,995.89

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Solution

The fourth proportional to 28,325,905.94, 39,086,282.55 and 17,867,995.89 is: 24,655,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325,905.94 : 39,086,282.55 = 17,867,995.89 : x
  2. Step 2: Convert to fraction form
    28,325,905.94/39,086,282.55 = 17,867,995.89/x
  3. Step 3: Cross multiply
    28,325,905.94x = 39,086,282.55 × 17,867,995.89
  4. Step 4: Simplify right side
    28,325,905.94x = 698,393,535,998,563
  5. Step 5: Solve for x
    x = 698,393,535,998,563/28,325,905.94
  6. Step 6: Final answer
    x = 24,655,646.93

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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.