Finding the Fourth Proportional to 19,729,566.72, 29,593,683.04 and 6,949,737.44
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Solution
The fourth proportional to 19,729,566.72, 29,593,683.04 and 6,949,737.44 is: 10,424,371.20
Step by Step Solution
- Step 1: Write the proportion equation
19,729,566.72 : 29,593,683.04 = 6,949,737.44 : x - Step 2: Convert to fraction form
19,729,566.72/29,593,683.04 = 6,949,737.44/x - Step 3: Cross multiply
19,729,566.72x = 29,593,683.04 × 6,949,737.44 - Step 4: Simplify right side
19,729,566.72x = 205,668,327,010,581.03 - Step 5: Solve for x
x = 205,668,327,010,581.03/19,729,566.72 - Step 6: Final answer
x = 10,424,371.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.