Finding the Fourth Proportional to 7,218,153.84, 10,827,246.12 and 2,902,193.52
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Solution
The fourth proportional to 7,218,153.84, 10,827,246.12 and 2,902,193.52 is: 4,353,296.46
Step by Step Solution
- Step 1: Write the proportion equation
7,218,153.84 : 10,827,246.12 = 2,902,193.52 : x - Step 2: Convert to fraction form
7,218,153.84/10,827,246.12 = 2,902,193.52/x - Step 3: Cross multiply
7,218,153.84x = 10,827,246.12 × 2,902,193.52 - Step 4: Simplify right side
7,218,153.84x = 31,422,763,528,909.14 - Step 5: Solve for x
x = 31,422,763,528,909.14/7,218,153.84 - Step 6: Final answer
x = 4,353,296.46
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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.