Finding the Fourth Proportional to 38,947,182.83, 53,465,664.20 and 33,430,981.08
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Solution
The fourth proportional to 38,947,182.83, 53,465,664.20 and 33,430,981.08 is: 45,893,168.09
Step by Step Solution
- Step 1: Write the proportion equation
38,947,182.83 : 53,465,664.20 = 33,430,981.08 : x - Step 2: Convert to fraction form
38,947,182.83/53,465,664.20 = 33,430,981.08/x - Step 3: Cross multiply
38,947,182.83x = 53,465,664.20 × 33,430,981.08 - Step 4: Simplify right side
38,947,182.83x = 1,787,409,608,132,678.25 - Step 5: Solve for x
x = 1,787,409,608,132,678.25/38,947,182.83 - Step 6: Final answer
x = 45,893,168.09
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.