Finding the Fourth Proportional to 8,293,470.93, 12,445,811.80 and 2,902,169.05
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Solution
The fourth proportional to 8,293,470.93, 12,445,811.80 and 2,902,169.05 is: 4,355,215.09
Step by Step Solution
- Step 1: Write the proportion equation
8,293,470.93 : 12,445,811.80 = 2,902,169.05 : x - Step 2: Convert to fraction form
8,293,470.93/12,445,811.80 = 2,902,169.05/x - Step 3: Cross multiply
8,293,470.93x = 12,445,811.80 × 2,902,169.05 - Step 4: Simplify right side
8,293,470.93x = 36,119,849,769,714.84 - Step 5: Solve for x
x = 36,119,849,769,714.84/8,293,470.93 - Step 6: Final answer
x = 4,355,215.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.