Finding the Fourth Proportional to 22,657,364.76, 31,270,913.22 and 13,367,206.09
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Solution
The fourth proportional to 22,657,364.76, 31,270,913.22 and 13,367,206.09 is: 18,448,956.72
Step by Step Solution
- Step 1: Write the proportion equation
22,657,364.76 : 31,270,913.22 = 13,367,206.09 : x - Step 2: Convert to fraction form
22,657,364.76/31,270,913.22 = 13,367,206.09/x - Step 3: Cross multiply
22,657,364.76x = 31,270,913.22 × 13,367,206.09 - Step 4: Simplify right side
22,657,364.76x = 418,004,741,723,461.19 - Step 5: Solve for x
x = 418,004,741,723,461.19/22,657,364.76 - Step 6: Final answer
x = 18,448,956.72
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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.