Finding the Fourth Proportional to 10,412,068.86, 14,368,474.88 and 5,765,761.80
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Solution
The fourth proportional to 10,412,068.86, 14,368,474.88 and 5,765,761.80 is: 7,956,651.53
Step by Step Solution
- Step 1: Write the proportion equation
10,412,068.86 : 14,368,474.88 = 5,765,761.80 : x - Step 2: Convert to fraction form
10,412,068.86/14,368,474.88 = 5,765,761.80/x - Step 3: Cross multiply
10,412,068.86x = 14,368,474.88 × 5,765,761.80 - Step 4: Simplify right side
10,412,068.86x = 82,845,203,587,363.59 - Step 5: Solve for x
x = 82,845,203,587,363.59/10,412,068.86 - Step 6: Final answer
x = 7,956,651.53
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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.