Finding the Fourth Proportional to 11,075,790.74, 15,285,358.49 and 6,181,967.57
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Solution
The fourth proportional to 11,075,790.74, 15,285,358.49 and 6,181,967.57 is: 8,531,543.49
Step by Step Solution
- Step 1: Write the proportion equation
11,075,790.74 : 15,285,358.49 = 6,181,967.57 : x - Step 2: Convert to fraction form
11,075,790.74/15,285,358.49 = 6,181,967.57/x - Step 3: Cross multiply
11,075,790.74x = 15,285,358.49 × 6,181,967.57 - Step 4: Simplify right side
11,075,790.74x = 94,493,590,373,667.55 - Step 5: Solve for x
x = 94,493,590,373,667.55/11,075,790.74 - Step 6: Final answer
x = 8,531,543.49
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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.