Finding the Fourth Proportional to 7,727,326.86, 10,664,207.64 and 4,464,279.12
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Solution
The fourth proportional to 7,727,326.86, 10,664,207.64 and 4,464,279.12 is: 6,160,992.07
Step by Step Solution
- Step 1: Write the proportion equation
7,727,326.86 : 10,664,207.64 = 4,464,279.12 : x - Step 2: Convert to fraction form
7,727,326.86/10,664,207.64 = 4,464,279.12/x - Step 3: Cross multiply
7,727,326.86x = 10,664,207.64 × 4,464,279.12 - Step 4: Simplify right side
7,727,326.86x = 47,607,999,498,596.48 - Step 5: Solve for x
x = 47,607,999,498,596.48/7,727,326.86 - Step 6: Final answer
x = 6,160,992.07
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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.