Finding the Fourth Proportional to 11,277,807.15, 15,563,391.53 and 6,121,170.84
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Solution
The fourth proportional to 11,277,807.15, 15,563,391.53 and 6,121,170.84 is: 8,447,225.34
Step by Step Solution
- Step 1: Write the proportion equation
11,277,807.15 : 15,563,391.53 = 6,121,170.84 : x - Step 2: Convert to fraction form
11,277,807.15/15,563,391.53 = 6,121,170.84/x - Step 3: Cross multiply
11,277,807.15x = 15,563,391.53 × 6,121,170.84 - Step 4: Simplify right side
11,277,807.15x = 95,266,178,374,333.12 - Step 5: Solve for x
x = 95,266,178,374,333.12/11,277,807.15 - Step 6: Final answer
x = 8,447,225.34
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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.