Home / 28,183,887.08-38,893,838.82-16,581,887.72

Finding the Fourth Proportional to 28,183,887.08, 38,893,838.82 and 16,581,887.72

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Solution

The fourth proportional to 28,183,887.08, 38,893,838.82 and 16,581,887.72 is: 22,883,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183,887.08 : 38,893,838.82 = 16,581,887.72 : x
  2. Step 2: Convert to fraction form
    28,183,887.08/38,893,838.82 = 16,581,887.72/x
  3. Step 3: Cross multiply
    28,183,887.08x = 38,893,838.82 × 16,581,887.72
  4. Step 4: Simplify right side
    28,183,887.08x = 644,933,268,313,017.38
  5. Step 5: Solve for x
    x = 644,933,268,313,017.38/28,183,887.08
  6. Step 6: Final answer
    x = 22,883,048.97

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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.