Finding the Fourth Proportional to 20,315,920.08, 30,478,396.28 and 9,527,470.95
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Solution
The fourth proportional to 20,315,920.08, 30,478,396.28 and 9,527,470.95 is: 14,293,324.35
Step by Step Solution
- Step 1: Write the proportion equation
20,315,920.08 : 30,478,396.28 = 9,527,470.95 : x - Step 2: Convert to fraction form
20,315,920.08/30,478,396.28 = 9,527,470.95/x - Step 3: Cross multiply
20,315,920.08x = 30,478,396.28 × 9,527,470.95 - Step 4: Simplify right side
20,315,920.08x = 290,382,035,160,288.06 - Step 5: Solve for x
x = 290,382,035,160,288.06/20,315,920.08 - Step 6: Final answer
x = 14,293,324.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.