Finding the Fourth Proportional to 38,634,183.90, 53,303,547.29 and 23,158,621.98
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Solution
The fourth proportional to 38,634,183.90, 53,303,547.29 and 23,158,621.98 is: 31,951,929.02
Step by Step Solution
- Step 1: Write the proportion equation
38,634,183.90 : 53,303,547.29 = 23,158,621.98 : x - Step 2: Convert to fraction form
38,634,183.90/53,303,547.29 = 23,158,621.98/x - Step 3: Cross multiply
38,634,183.90x = 53,303,547.29 × 23,158,621.98 - Step 4: Simplify right side
38,634,183.90x = 1,234,436,701,766,370.25 - Step 5: Solve for x
x = 1,234,436,701,766,370.25/38,634,183.90 - Step 6: Final answer
x = 31,951,929.02
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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.