Finding the Fourth Proportional to 16,659,684.18, 22,990,204.08 and 9,317,429.46
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Solution
The fourth proportional to 16,659,684.18, 22,990,204.08 and 9,317,429.46 is: 12,857,963.12
Step by Step Solution
- Step 1: Write the proportion equation
16,659,684.18 : 22,990,204.08 = 9,317,429.46 : x - Step 2: Convert to fraction form
16,659,684.18/22,990,204.08 = 9,317,429.46/x - Step 3: Cross multiply
16,659,684.18x = 22,990,204.08 × 9,317,429.46 - Step 4: Simplify right side
16,659,684.18x = 214,209,604,786,404.19 - Step 5: Solve for x
x = 214,209,604,786,404.19/16,659,684.18 - Step 6: Final answer
x = 12,857,963.12
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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.