Finding the Fourth Proportional to 13,064,126.16, 18,027,472.68 and 7,262,554.62
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Solution
The fourth proportional to 13,064,126.16, 18,027,472.68 and 7,262,554.62 is: 10,021,757.55
Step by Step Solution
- Step 1: Write the proportion equation
13,064,126.16 : 18,027,472.68 = 7,262,554.62 : x - Step 2: Convert to fraction form
13,064,126.16/18,027,472.68 = 7,262,554.62/x - Step 3: Cross multiply
13,064,126.16x = 18,027,472.68 × 7,262,554.62 - Step 4: Simplify right side
13,064,126.16x = 130,925,504,999,057.78 - Step 5: Solve for x
x = 130,925,504,999,057.78/13,064,126.16 - Step 6: Final answer
x = 10,021,757.55
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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.