Finding the Fourth Proportional to 7,660,118.70, 11,490,079.59 and 2,544,900.66
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Solution
The fourth proportional to 7,660,118.70, 11,490,079.59 and 2,544,900.66 is: 3,817,318.28
Step by Step Solution
- Step 1: Write the proportion equation
7,660,118.70 : 11,490,079.59 = 2,544,900.66 : x - Step 2: Convert to fraction form
7,660,118.70/11,490,079.59 = 2,544,900.66/x - Step 3: Cross multiply
7,660,118.70x = 11,490,079.59 × 2,544,900.66 - Step 4: Simplify right side
7,660,118.70x = 29,241,111,132,043.53 - Step 5: Solve for x
x = 29,241,111,132,043.53/7,660,118.70 - Step 6: Final answer
x = 3,817,318.28
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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.