Finding the Fourth Proportional to 17,908,418.19, 26,868,305.91 and 6,393,638.55
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Solution
The fourth proportional to 17,908,418.19, 26,868,305.91 and 6,393,638.55 is: 9,592,485.20
Step by Step Solution
- Step 1: Write the proportion equation
17,908,418.19 : 26,868,305.91 = 6,393,638.55 : x - Step 2: Convert to fraction form
17,908,418.19/26,868,305.91 = 6,393,638.55/x - Step 3: Cross multiply
17,908,418.19x = 26,868,305.91 × 6,393,638.55 - Step 4: Simplify right side
17,908,418.19x = 171,786,236,439,368.81 - Step 5: Solve for x
x = 171,786,236,439,368.81/17,908,418.19 - Step 6: Final answer
x = 9,592,485.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.