Finding the Fourth Proportional to 19,852,550.60, 29,778,825.90 and 6,389,378.60
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Solution
The fourth proportional to 19,852,550.60, 29,778,825.90 and 6,389,378.60 is: 9,584,067.90
Step by Step Solution
- Step 1: Write the proportion equation
19,852,550.60 : 29,778,825.90 = 6,389,378.60 : x - Step 2: Convert to fraction form
19,852,550.60/29,778,825.90 = 6,389,378.60/x - Step 3: Cross multiply
19,852,550.60x = 29,778,825.90 × 6,389,378.60 - Step 4: Simplify right side
19,852,550.60x = 190,268,192,938,585.72 - Step 5: Solve for x
x = 190,268,192,938,585.72/19,852,550.60 - Step 6: Final answer
x = 9,584,067.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.