Finding the Fourth Proportional to 31,918,359.42, 47,884,264.14 and 10,351,279.44
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Solution
The fourth proportional to 31,918,359.42, 47,884,264.14 and 10,351,279.44 is: 15,529,100.11
Step by Step Solution
- Step 1: Write the proportion equation
31,918,359.42 : 47,884,264.14 = 10,351,279.44 : x - Step 2: Convert to fraction form
31,918,359.42/47,884,264.14 = 10,351,279.44/x - Step 3: Cross multiply
31,918,359.42x = 47,884,264.14 × 10,351,279.44 - Step 4: Simplify right side
31,918,359.42x = 495,663,398,891,911.25 - Step 5: Solve for x
x = 495,663,398,891,911.25/31,918,359.42 - Step 6: Final answer
x = 15,529,100.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.