Finding the Fourth Proportional to 7,376,007.71, 11,057,700.65 and 2,830,318.49
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Solution
The fourth proportional to 7,376,007.71, 11,057,700.65 and 2,830,318.49 is: 4,243,056.11
Step by Step Solution
- Step 1: Write the proportion equation
7,376,007.71 : 11,057,700.65 = 2,830,318.49 : x - Step 2: Convert to fraction form
7,376,007.71/11,057,700.65 = 2,830,318.49/x - Step 3: Cross multiply
7,376,007.71x = 11,057,700.65 × 2,830,318.49 - Step 4: Simplify right side
7,376,007.71x = 31,296,814,537,139.92 - Step 5: Solve for x
x = 31,296,814,537,139.92/7,376,007.71 - Step 6: Final answer
x = 4,243,056.11
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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.