Finding the Fourth Proportional to 14,528,860.08, 20,049,825.96 and 8,420,831.52
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Solution
The fourth proportional to 14,528,860.08, 20,049,825.96 and 8,420,831.52 is: 11,620,746.95
Step by Step Solution
- Step 1: Write the proportion equation
14,528,860.08 : 20,049,825.96 = 8,420,831.52 : x - Step 2: Convert to fraction form
14,528,860.08/20,049,825.96 = 8,420,831.52/x - Step 3: Cross multiply
14,528,860.08x = 20,049,825.96 × 8,420,831.52 - Step 4: Simplify right side
14,528,860.08x = 168,836,206,414,482.25 - Step 5: Solve for x
x = 168,836,206,414,482.25/14,528,860.08 - Step 6: Final answer
x = 11,620,746.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.