Home / 28,913,028.36-39,899,606.89-16,522,979.90

Finding the Fourth Proportional to 28,913,028.36, 39,899,606.89 and 16,522,979.90

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Solution

The fourth proportional to 28,913,028.36, 39,899,606.89 and 16,522,979.90 is: 22,801,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913,028.36 : 39,899,606.89 = 16,522,979.90 : x
  2. Step 2: Convert to fraction form
    28,913,028.36/39,899,606.89 = 16,522,979.90/x
  3. Step 3: Cross multiply
    28,913,028.36x = 39,899,606.89 × 16,522,979.90
  4. Step 4: Simplify right side
    28,913,028.36x = 659,260,402,661,371.50
  5. Step 5: Solve for x
    x = 659,260,402,661,371.50/28,913,028.36
  6. Step 6: Final answer
    x = 22,801,499.53

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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.