Finding the Fourth Proportional to 19,509,119.53, 26,917,087.92 and 11,248,532.57
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Solution
The fourth proportional to 19,509,119.53, 26,917,087.92 and 11,248,532.57 is: 15,519,805.48
Step by Step Solution
- Step 1: Write the proportion equation
19,509,119.53 : 26,917,087.92 = 11,248,532.57 : x - Step 2: Convert to fraction form
19,509,119.53/26,917,087.92 = 11,248,532.57/x - Step 3: Cross multiply
19,509,119.53x = 26,917,087.92 × 11,248,532.57 - Step 4: Simplify right side
19,509,119.53x = 302,777,740,157,673.56 - Step 5: Solve for x
x = 302,777,740,157,673.56/19,509,119.53 - Step 6: Final answer
x = 15,519,805.48
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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.