Finding the Fourth Proportional to 6,690,397.16, 9,985,036.05 and 6,044,697.96
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Solution
The fourth proportional to 6,690,397.16, 9,985,036.05 and 6,044,697.96 is: 9,021,366.83
Step by Step Solution
- Step 1: Write the proportion equation
6,690,397.16 : 9,985,036.05 = 6,044,697.96 : x - Step 2: Convert to fraction form
6,690,397.16/9,985,036.05 = 6,044,697.96/x - Step 3: Cross multiply
6,690,397.16x = 9,985,036.05 × 6,044,697.96 - Step 4: Simplify right side
6,690,397.16x = 60,356,527,041,961.46 - Step 5: Solve for x
x = 60,356,527,041,961.46/6,690,397.16 - Step 6: Final answer
x = 9,021,366.83
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.