Finding the Fourth Proportional to 10,069,216.56, 13,895,034.12 and 5,717,728.08
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Solution
The fourth proportional to 10,069,216.56, 13,895,034.12 and 5,717,728.08 is: 7,890,189.50
Step by Step Solution
- Step 1: Write the proportion equation
10,069,216.56 : 13,895,034.12 = 5,717,728.08 : x - Step 2: Convert to fraction form
10,069,216.56/13,895,034.12 = 5,717,728.08/x - Step 3: Cross multiply
10,069,216.56x = 13,895,034.12 × 5,717,728.08 - Step 4: Simplify right side
10,069,216.56x = 79,448,026,760,482.09 - Step 5: Solve for x
x = 79,448,026,760,482.09/10,069,216.56 - Step 6: Final answer
x = 7,890,189.50
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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.