Home / 28,486,635.93-39,311,579.75-16,723,601.28

Finding the Fourth Proportional to 28,486,635.93, 39,311,579.75 and 16,723,601.28

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Solution

The fourth proportional to 28,486,635.93, 39,311,579.75 and 16,723,601.28 is: 23,078,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486,635.93 : 39,311,579.75 = 16,723,601.28 : x
  2. Step 2: Convert to fraction form
    28,486,635.93/39,311,579.75 = 16,723,601.28/x
  3. Step 3: Cross multiply
    28,486,635.93x = 39,311,579.75 × 16,723,601.28
  4. Step 4: Simplify right side
    28,486,635.93x = 657,431,185,342,304
  5. Step 5: Solve for x
    x = 657,431,185,342,304/28,486,635.93
  6. Step 6: Final answer
    x = 23,078,582.78

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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.