Finding the Fourth Proportional to 11,351,280.48, 15,665,097.12 and 6,194,973.60
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Solution
The fourth proportional to 11,351,280.48, 15,665,097.12 and 6,194,973.60 is: 8,549,243.70
Step by Step Solution
- Step 1: Write the proportion equation
11,351,280.48 : 15,665,097.12 = 6,194,973.60 : x - Step 2: Convert to fraction form
11,351,280.48/15,665,097.12 = 6,194,973.60/x - Step 3: Cross multiply
11,351,280.48x = 15,665,097.12 × 6,194,973.60 - Step 4: Simplify right side
11,351,280.48x = 97,044,863,099,836.02 - Step 5: Solve for x
x = 97,044,863,099,836.02/11,351,280.48 - Step 6: Final answer
x = 8,549,243.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.