Finding the Fourth Proportional to 13,889,269.18, 19,167,188.99 and 7,694,718.51
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Solution
The fourth proportional to 13,889,269.18, 19,167,188.99 and 7,694,718.51 is: 10,618,710.17
Step by Step Solution
- Step 1: Write the proportion equation
13,889,269.18 : 19,167,188.99 = 7,694,718.51 : x - Step 2: Convert to fraction form
13,889,269.18/19,167,188.99 = 7,694,718.51/x - Step 3: Cross multiply
13,889,269.18x = 19,167,188.99 × 7,694,718.51 - Step 4: Simplify right side
13,889,269.18x = 147,486,123,906,021.19 - Step 5: Solve for x
x = 147,486,123,906,021.19/13,889,269.18 - Step 6: Final answer
x = 10,618,710.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.