Finding the Fourth Proportional to 15,966,962.14, 22,034,416.50 and 8,624,795.32
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Solution
The fourth proportional to 15,966,962.14, 22,034,416.50 and 8,624,795.32 is: 11,902,222.27
Step by Step Solution
- Step 1: Write the proportion equation
15,966,962.14 : 22,034,416.50 = 8,624,795.32 : x - Step 2: Convert to fraction form
15,966,962.14/22,034,416.50 = 8,624,795.32/x - Step 3: Cross multiply
15,966,962.14x = 22,034,416.50 × 8,624,795.32 - Step 4: Simplify right side
15,966,962.14x = 190,042,332,308,130.78 - Step 5: Solve for x
x = 190,042,332,308,130.78/15,966,962.14 - Step 6: Final answer
x = 11,902,222.27
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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.