Finding the Fourth Proportional to 51,125,197.92, 70,553,333.91 and 27,921,007.63
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Solution
The fourth proportional to 51,125,197.92, 70,553,333.91 and 27,921,007.63 is: 38,531,296.79
Step by Step Solution
- Step 1: Write the proportion equation
51,125,197.92 : 70,553,333.91 = 27,921,007.63 : x - Step 2: Convert to fraction form
51,125,197.92/70,553,333.91 = 27,921,007.63/x - Step 3: Cross multiply
51,125,197.92x = 70,553,333.91 × 27,921,007.63 - Step 4: Simplify right side
51,125,197.92x = 1,969,920,174,423,047.50 - Step 5: Solve for x
x = 1,969,920,174,423,047.50/51,125,197.92 - Step 6: Final answer
x = 38,531,296.79
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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.