Finding the Fourth Proportional to 17,731,721.80, 26,597,582.70 and 6,373,318.60
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Solution
The fourth proportional to 17,731,721.80, 26,597,582.70 and 6,373,318.60 is: 9,559,977.90
Step by Step Solution
- Step 1: Write the proportion equation
17,731,721.80 : 26,597,582.70 = 6,373,318.60 : x - Step 2: Convert to fraction form
17,731,721.80/26,597,582.70 = 6,373,318.60/x - Step 3: Cross multiply
17,731,721.80x = 26,597,582.70 × 6,373,318.60 - Step 4: Simplify right side
17,731,721.80x = 169,514,868,536,948.22 - Step 5: Solve for x
x = 169,514,868,536,948.22/17,731,721.80 - Step 6: Final answer
x = 9,559,977.90
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1.5x scale
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.