Finding the Fourth Proportional to 10,966,972.66, 15,134,894.97 and 6,072,194.71
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Solution
The fourth proportional to 10,966,972.66, 15,134,894.97 and 6,072,194.71 is: 8,379,890.42
Step by Step Solution
- Step 1: Write the proportion equation
10,966,972.66 : 15,134,894.97 = 6,072,194.71 : x - Step 2: Convert to fraction form
10,966,972.66/15,134,894.97 = 6,072,194.71/x - Step 3: Cross multiply
10,966,972.66x = 15,134,894.97 × 6,072,194.71 - Step 4: Simplify right side
10,966,972.66x = 91,902,029,173,239.61 - Step 5: Solve for x
x = 91,902,029,173,239.61/10,966,972.66 - Step 6: Final answer
x = 8,379,890.42
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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.