Home / 30,275,795.92-41,789,866.44-18,676,976.08

Finding the Fourth Proportional to 30,275,795.92, 41,789,866.44 and 18,676,976.08

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Solution

The fourth proportional to 30,275,795.92, 41,789,866.44 and 18,676,976.08 is: 25,779,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275,795.92 : 41,789,866.44 = 18,676,976.08 : x
  2. Step 2: Convert to fraction form
    30,275,795.92/41,789,866.44 = 18,676,976.08/x
  3. Step 3: Cross multiply
    30,275,795.92x = 41,789,866.44 × 18,676,976.08
  4. Step 4: Simplify right side
    30,275,795.92x = 780,508,335,886,274.62
  5. Step 5: Solve for x
    x = 780,508,335,886,274.62/30,275,795.92
  6. Step 6: Final answer
    x = 25,779,944.41

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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.