Finding the Fourth Proportional to 47,989,648.38, 66,224,077.12 and 27,369,737.58
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Solution
The fourth proportional to 47,989,648.38, 66,224,077.12 and 27,369,737.58 is: 37,769,303.87
Step by Step Solution
- Step 1: Write the proportion equation
47,989,648.38 : 66,224,077.12 = 27,369,737.58 : x - Step 2: Convert to fraction form
47,989,648.38/66,224,077.12 = 27,369,737.58/x - Step 3: Cross multiply
47,989,648.38x = 66,224,077.12 × 27,369,737.58 - Step 4: Simplify right side
47,989,648.38x = 1,812,535,612,252,082 - Step 5: Solve for x
x = 1,812,535,612,252,082/47,989,648.38 - Step 6: Final answer
x = 37,769,303.87
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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.