Finding the Fourth Proportional to 18,374,993.65, 27,565,012.81 and 6,241,199.62
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Solution
The fourth proportional to 18,374,993.65, 27,565,012.81 and 6,241,199.62 is: 9,362,656.15
Step by Step Solution
- Step 1: Write the proportion equation
18,374,993.65 : 27,565,012.81 = 6,241,199.62 : x - Step 2: Convert to fraction form
18,374,993.65/27,565,012.81 = 6,241,199.62/x - Step 3: Cross multiply
18,374,993.65x = 27,565,012.81 × 6,241,199.62 - Step 4: Simplify right side
18,374,993.65x = 172,038,747,306,036.06 - Step 5: Solve for x
x = 172,038,747,306,036.06/18,374,993.65 - Step 6: Final answer
x = 9,362,656.15
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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.