Finding the Fourth Proportional to 7,877,841.16, 11,816,765.26 and 2,487,038.28
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Solution
The fourth proportional to 7,877,841.16, 11,816,765.26 and 2,487,038.28 is: 3,730,558.53
Step by Step Solution
- Step 1: Write the proportion equation
7,877,841.16 : 11,816,765.26 = 2,487,038.28 : x - Step 2: Convert to fraction form
7,877,841.16/11,816,765.26 = 2,487,038.28/x - Step 3: Cross multiply
7,877,841.16x = 11,816,765.26 × 2,487,038.28 - Step 4: Simplify right side
7,877,841.16x = 29,388,747,547,394.15 - Step 5: Solve for x
x = 29,388,747,547,394.15/7,877,841.16 - Step 6: Final answer
x = 3,730,558.53
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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.