Finding the Fourth Proportional to 18,774,969.50, 28,165,633.62 and 6,475,593.14
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Solution
The fourth proportional to 18,774,969.50, 28,165,633.62 and 6,475,593.14 is: 9,714,486.30
Step by Step Solution
- Step 1: Write the proportion equation
18,774,969.50 : 28,165,633.62 = 6,475,593.14 : x - Step 2: Convert to fraction form
18,774,969.50/28,165,633.62 = 6,475,593.14/x - Step 3: Cross multiply
18,774,969.50x = 28,165,633.62 × 6,475,593.14 - Step 4: Simplify right side
18,774,969.50x = 182,389,183,988,791.75 - Step 5: Solve for x
x = 182,389,183,988,791.75/18,774,969.50 - Step 6: Final answer
x = 9,714,486.30
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1.5x scale
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.