Finding the Fourth Proportional to 11,855,149.80, 16,360,123.36 and 6,422,641.80
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Solution
The fourth proportional to 11,855,149.80, 16,360,123.36 and 6,422,641.80 is: 8,863,254.70
Step by Step Solution
- Step 1: Write the proportion equation
11,855,149.80 : 16,360,123.36 = 6,422,641.80 : x - Step 2: Convert to fraction form
11,855,149.80/16,360,123.36 = 6,422,641.80/x - Step 3: Cross multiply
11,855,149.80x = 16,360,123.36 × 6,422,641.80 - Step 4: Simplify right side
11,855,149.80x = 105,075,212,145,092.44 - Step 5: Solve for x
x = 105,075,212,145,092.44/11,855,149.80 - Step 6: Final answer
x = 8,863,254.70
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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.