Finding the Fourth Proportional to 19,428,006.70, 27,239,022.50 and 19,428,006.70
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Solution
The fourth proportional to 19,428,006.70, 27,239,022.50 and 19,428,006.70 is: 27,239,022.50
Step by Step Solution
- Step 1: Write the proportion equation
19,428,006.70 : 27,239,022.50 = 19,428,006.70 : x - Step 2: Convert to fraction form
19,428,006.70/27,239,022.50 = 19,428,006.70/x - Step 3: Cross multiply
19,428,006.70x = 27,239,022.50 × 19,428,006.70 - Step 4: Simplify right side
19,428,006.70x = 529,199,911,631,450.75 - Step 5: Solve for x
x = 529,199,911,631,450.75/19,428,006.70 - Step 6: Final answer
x = 27,239,022.50
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.