Finding the Fourth Proportional to 19,016,931.06, 28,527,135.26 and 5,370,280.70
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Solution
The fourth proportional to 19,016,931.06, 28,527,135.26 and 5,370,280.70 is: 8,055,912.03
Step by Step Solution
- Step 1: Write the proportion equation
19,016,931.06 : 28,527,135.26 = 5,370,280.70 : x - Step 2: Convert to fraction form
19,016,931.06/28,527,135.26 = 5,370,280.70/x - Step 3: Cross multiply
19,016,931.06x = 28,527,135.26 × 5,370,280.70 - Step 4: Simplify right side
19,016,931.06x = 153,198,723,743,580.41 - Step 5: Solve for x
x = 153,198,723,743,580.41/19,016,931.06 - Step 6: Final answer
x = 8,055,912.03
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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.