Finding the Fourth Proportional to 13,363,559.42, 18,441,723.80 and 7,251,987.92
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Solution
The fourth proportional to 13,363,559.42, 18,441,723.80 and 7,251,987.92 is: 10,007,749.73
Step by Step Solution
- Step 1: Write the proportion equation
13,363,559.42 : 18,441,723.80 = 7,251,987.92 : x - Step 2: Convert to fraction form
13,363,559.42/18,441,723.80 = 7,251,987.92/x - Step 3: Cross multiply
13,363,559.42x = 18,441,723.80 × 7,251,987.92 - Step 4: Simplify right side
13,363,559.42x = 133,739,158,147,497.83 - Step 5: Solve for x
x = 133,739,158,147,497.83/13,363,559.42 - Step 6: Final answer
x = 10,007,749.73
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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.