Finding the Fourth Proportional to 7,845,813.70, 11,768,703.24 and 2,088,548.62
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Solution
The fourth proportional to 7,845,813.70, 11,768,703.24 and 2,088,548.62 is: 3,132,818.32
Step by Step Solution
- Step 1: Write the proportion equation
7,845,813.70 : 11,768,703.24 = 2,088,548.62 : x - Step 2: Convert to fraction form
7,845,813.70/11,768,703.24 = 2,088,548.62/x - Step 3: Cross multiply
7,845,813.70x = 11,768,703.24 × 2,088,548.62 - Step 4: Simplify right side
7,845,813.70x = 24,579,508,911,091.53 - Step 5: Solve for x
x = 24,579,508,911,091.53/7,845,813.70 - Step 6: Final answer
x = 3,132,818.32
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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.