Finding the Fourth Proportional to 13,807,578.08, 19,052,794.53 and 7,926,888.17
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Solution
The fourth proportional to 13,807,578.08, 19,052,794.53 and 7,926,888.17 is: 10,938,150.82
Step by Step Solution
- Step 1: Write the proportion equation
13,807,578.08 : 19,052,794.53 = 7,926,888.17 : x - Step 2: Convert to fraction form
13,807,578.08/19,052,794.53 = 7,926,888.17/x - Step 3: Cross multiply
13,807,578.08x = 19,052,794.53 × 7,926,888.17 - Step 4: Simplify right side
13,807,578.08x = 151,029,371,470,033.75 - Step 5: Solve for x
x = 151,029,371,470,033.75/13,807,578.08 - Step 6: Final answer
x = 10,938,150.82
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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.