Finding the Fourth Proportional to 8,325,580.98, 11,489,554.17 and 4,654,652.21
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Solution
The fourth proportional to 8,325,580.98, 11,489,554.17 and 4,654,652.21 is: 6,423,561.17
Step by Step Solution
- Step 1: Write the proportion equation
8,325,580.98 : 11,489,554.17 = 4,654,652.21 : x - Step 2: Convert to fraction form
8,325,580.98/11,489,554.17 = 4,654,652.21/x - Step 3: Cross multiply
8,325,580.98x = 11,489,554.17 × 4,654,652.21 - Step 4: Simplify right side
8,325,580.98x = 53,479,878,709,305.22 - Step 5: Solve for x
x = 53,479,878,709,305.22/8,325,580.98 - Step 6: Final answer
x = 6,423,561.17
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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.