Finding the Fourth Proportional to 7,137,060.76, 9,849,153.66 and 3,873,876.12
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Solution
The fourth proportional to 7,137,060.76, 9,849,153.66 and 3,873,876.12 is: 5,345,954.37
Step by Step Solution
- Step 1: Write the proportion equation
7,137,060.76 : 9,849,153.66 = 3,873,876.12 : x - Step 2: Convert to fraction form
7,137,060.76/9,849,153.66 = 3,873,876.12/x - Step 3: Cross multiply
7,137,060.76x = 9,849,153.66 × 3,873,876.12 - Step 4: Simplify right side
7,137,060.76x = 38,154,401,165,684.60 - Step 5: Solve for x
x = 38,154,401,165,684.60/7,137,060.76 - Step 6: Final answer
x = 5,345,954.37
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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.