Finding the Fourth Proportional to 53,239,293.05, 73,470,273.40 and 28,793,007.05
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Solution
The fourth proportional to 53,239,293.05, 73,470,273.40 and 28,793,007.05 is: 39,734,376.22
Step by Step Solution
- Step 1: Write the proportion equation
53,239,293.05 : 73,470,273.40 = 28,793,007.05 : x - Step 2: Convert to fraction form
53,239,293.05/73,470,273.40 = 28,793,007.05/x - Step 3: Cross multiply
53,239,293.05x = 73,470,273.40 × 28,793,007.05 - Step 4: Simplify right side
53,239,293.05x = 2,115,430,099,971,627.75 - Step 5: Solve for x
x = 2,115,430,099,971,627.75/53,239,293.05 - Step 6: Final answer
x = 39,734,376.22
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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.