Finding the Fourth Proportional to 27,991,007.19, 38,622,906.61 and 15,598,384.14
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Solution
The fourth proportional to 27,991,007.19, 38,622,906.61 and 15,598,384.14 is: 21,523,160.28
Step by Step Solution
- Step 1: Write the proportion equation
27,991,007.19 : 38,622,906.61 = 15,598,384.14 : x - Step 2: Convert to fraction form
27,991,007.19/38,622,906.61 = 15,598,384.14/x - Step 3: Cross multiply
27,991,007.19x = 38,622,906.61 × 15,598,384.14 - Step 4: Simplify right side
27,991,007.19x = 602,454,934,011,965.12 - Step 5: Solve for x
x = 602,454,934,011,965.12/27,991,007.19 - Step 6: Final answer
x = 21,523,160.28
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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.