Finding the Fourth Proportional to 31,546,745.68, 47,326,963.74 and 9,687,199.48
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Solution
The fourth proportional to 31,546,745.68, 47,326,963.74 and 9,687,199.48 is: 14,532,901.21
Step by Step Solution
- Step 1: Write the proportion equation
31,546,745.68 : 47,326,963.74 = 9,687,199.48 : x - Step 2: Convert to fraction form
31,546,745.68/47,326,963.74 = 9,687,199.48/x - Step 3: Cross multiply
31,546,745.68x = 47,326,963.74 × 9,687,199.48 - Step 4: Simplify right side
31,546,745.68x = 458,465,738,532,106.88 - Step 5: Solve for x
x = 458,465,738,532,106.88/31,546,745.68 - Step 6: Final answer
x = 14,532,901.21
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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.