Finding the Fourth Proportional to 19,574,485.70, 29,361,728.55 and 15,543,407.30
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Solution
The fourth proportional to 19,574,485.70, 29,361,728.55 and 15,543,407.30 is: 23,315,110.95
Step by Step Solution
- Step 1: Write the proportion equation
19,574,485.70 : 29,361,728.55 = 15,543,407.30 : x - Step 2: Convert to fraction form
19,574,485.70/29,361,728.55 = 15,543,407.30/x - Step 3: Cross multiply
19,574,485.70x = 29,361,728.55 × 15,543,407.30 - Step 4: Simplify right side
19,574,485.70x = 456,381,305,884,688.44 - Step 5: Solve for x
x = 456,381,305,884,688.44/19,574,485.70 - Step 6: Final answer
x = 23,315,110.95
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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.