Finding the Fourth Proportional to 16,088,982.18, 22,202,332.80 and 9,120,303.92
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Solution
The fourth proportional to 16,088,982.18, 22,202,332.80 and 9,120,303.92 is: 12,585,757.17
Step by Step Solution
- Step 1: Write the proportion equation
16,088,982.18 : 22,202,332.80 = 9,120,303.92 : x - Step 2: Convert to fraction form
16,088,982.18/22,202,332.80 = 9,120,303.92/x - Step 3: Cross multiply
16,088,982.18x = 22,202,332.80 × 9,120,303.92 - Step 4: Simplify right side
16,088,982.18x = 202,492,022,868,984.59 - Step 5: Solve for x
x = 202,492,022,868,984.59/16,088,982.18 - Step 6: Final answer
x = 12,585,757.17
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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.