Finding the Fourth Proportional to 31,664,308.97, 47,527,177.01 and 15,281,122.94
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Solution
The fourth proportional to 31,664,308.97, 47,527,177.01 and 15,281,122.94 is: 22,936,506.69
Step by Step Solution
- Step 1: Write the proportion equation
31,664,308.97 : 47,527,177.01 = 15,281,122.94 : x - Step 2: Convert to fraction form
31,664,308.97/47,527,177.01 = 15,281,122.94/x - Step 3: Cross multiply
31,664,308.97x = 47,527,177.01 × 15,281,122.94 - Step 4: Simplify right side
31,664,308.97x = 726,268,634,566,910.12 - Step 5: Solve for x
x = 726,268,634,566,910.12/31,664,308.97 - Step 6: Final answer
x = 22,936,506.69
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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.