Finding the Fourth Proportional to 10,421,357.94, 14,381,507.84 and 5,775,219.62
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Solution
The fourth proportional to 10,421,357.94, 14,381,507.84 and 5,775,219.62 is: 7,969,821.85
Step by Step Solution
- Step 1: Write the proportion equation
10,421,357.94 : 14,381,507.84 = 5,775,219.62 : x - Step 2: Convert to fraction form
10,421,357.94/14,381,507.84 = 5,775,219.62/x - Step 3: Cross multiply
10,421,357.94x = 14,381,507.84 × 5,775,219.62 - Step 4: Simplify right side
10,421,357.94x = 83,056,366,195,898.84 - Step 5: Solve for x
x = 83,056,366,195,898.84/10,421,357.94 - Step 6: Final answer
x = 7,969,821.85
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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.