Finding the Fourth Proportional to 31,918,348.79, 47,884,248.21 and 10,351,268.79
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Solution
The fourth proportional to 31,918,348.79, 47,884,248.21 and 10,351,268.79 is: 15,529,084.14
Step by Step Solution
- Step 1: Write the proportion equation
31,918,348.79 : 47,884,248.21 = 10,351,268.79 : x - Step 2: Convert to fraction form
31,918,348.79/47,884,248.21 = 10,351,268.79/x - Step 3: Cross multiply
31,918,348.79x = 47,884,248.21 × 10,351,268.79 - Step 4: Simplify right side
31,918,348.79x = 495,662,724,099,160.69 - Step 5: Solve for x
x = 495,662,724,099,160.69/31,918,348.79 - Step 6: Final answer
x = 15,529,084.14
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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.