Finding the Fourth Proportional to 16,868,159.28, 23,278,070.79 and 9,133,206.84
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Solution
The fourth proportional to 16,868,159.28, 23,278,070.79 and 9,133,206.84 is: 12,603,831.39
Step by Step Solution
- Step 1: Write the proportion equation
16,868,159.28 : 23,278,070.79 = 9,133,206.84 : x - Step 2: Convert to fraction form
16,868,159.28/23,278,070.79 = 9,133,206.84/x - Step 3: Cross multiply
16,868,159.28x = 23,278,070.79 × 9,133,206.84 - Step 4: Simplify right side
16,868,159.28x = 212,603,435,361,232.19 - Step 5: Solve for x
x = 212,603,435,361,232.19/16,868,159.28 - Step 6: Final answer
x = 12,603,831.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.