Finding the Fourth Proportional to 31,426,843.94, 47,126,523.45 and 15,855,092.12
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Solution
The fourth proportional to 31,426,843.94, 47,126,523.45 and 15,855,092.12 is: 23,775,704.99
Step by Step Solution
- Step 1: Write the proportion equation
31,426,843.94 : 47,126,523.45 = 15,855,092.12 : x - Step 2: Convert to fraction form
31,426,843.94/47,126,523.45 = 15,855,092.12/x - Step 3: Cross multiply
31,426,843.94x = 47,126,523.45 × 15,855,092.12 - Step 4: Simplify right side
31,426,843.94x = 747,195,370,280,182.12 - Step 5: Solve for x
x = 747,195,370,280,182.12/31,426,843.94 - Step 6: Final answer
x = 23,775,704.99
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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.