Finding the Fourth Proportional to 27,402,385.98, 37,815,279.57 and 16,389,135.48
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Solution
The fourth proportional to 27,402,385.98, 37,815,279.57 and 16,389,135.48 is: 22,616,999.14
Step by Step Solution
- Step 1: Write the proportion equation
27,402,385.98 : 37,815,279.57 = 16,389,135.48 : x - Step 2: Convert to fraction form
27,402,385.98/37,815,279.57 = 16,389,135.48/x - Step 3: Cross multiply
27,402,385.98x = 37,815,279.57 × 16,389,135.48 - Step 4: Simplify right side
27,402,385.98x = 619,759,740,086,806.12 - Step 5: Solve for x
x = 619,759,740,086,806.12/27,402,385.98 - Step 6: Final answer
x = 22,616,999.14
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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.