Finding the Fourth Proportional to 7,891,387.04, 10,890,151.44 and 4,453,772.96
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Solution
The fourth proportional to 7,891,387.04, 10,890,151.44 and 4,453,772.96 is: 6,146,227.75
Step by Step Solution
- Step 1: Write the proportion equation
7,891,387.04 : 10,890,151.44 = 4,453,772.96 : x - Step 2: Convert to fraction form
7,891,387.04/10,890,151.44 = 4,453,772.96/x - Step 3: Cross multiply
7,891,387.04x = 10,890,151.44 × 4,453,772.96 - Step 4: Simplify right side
7,891,387.04x = 48,502,262,013,777.06 - Step 5: Solve for x
x = 48,502,262,013,777.06/7,891,387.04 - Step 6: Final answer
x = 6,146,227.75
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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.