Finding the Fourth Proportional to 56,743,731.18, 85,127,552.37 and 18,402,255.63
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Solution
The fourth proportional to 56,743,731.18, 85,127,552.37 and 18,402,255.63 is: 27,607,260.70
Step by Step Solution
- Step 1: Write the proportion equation
56,743,731.18 : 85,127,552.37 = 18,402,255.63 : x - Step 2: Convert to fraction form
56,743,731.18/85,127,552.37 = 18,402,255.63/x - Step 3: Cross multiply
56,743,731.18x = 85,127,552.37 × 18,402,255.63 - Step 4: Simplify right side
56,743,731.18x = 1,566,538,979,868,952.25 - Step 5: Solve for x
x = 1,566,538,979,868,952.25/56,743,731.18 - Step 6: Final answer
x = 27,607,260.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.