Finding the Fourth Proportional to 21,548,284.08, 29,737,264.53 and 11,759,360.05
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Solution
The fourth proportional to 21,548,284.08, 29,737,264.53 and 11,759,360.05 is: 16,228,262.04
Step by Step Solution
- Step 1: Write the proportion equation
21,548,284.08 : 29,737,264.53 = 11,759,360.05 : x - Step 2: Convert to fraction form
21,548,284.08/29,737,264.53 = 11,759,360.05/x - Step 3: Cross multiply
21,548,284.08x = 29,737,264.53 × 11,759,360.05 - Step 4: Simplify right side
21,548,284.08x = 349,691,200,510,364.06 - Step 5: Solve for x
x = 349,691,200,510,364.06/21,548,284.08 - Step 6: Final answer
x = 16,228,262.04
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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.