Finding the Fourth Proportional to 7,785,112, 11,677,986.14 and 2,671,058.56
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Solution
The fourth proportional to 7,785,112, 11,677,986.14 and 2,671,058.56 is: 4,006,696.99
Step by Step Solution
- Step 1: Write the proportion equation
7,785,112 : 11,677,986.14 = 2,671,058.56 : x - Step 2: Convert to fraction form
7,785,112/11,677,986.14 = 2,671,058.56/x - Step 3: Cross multiply
7,785,112x = 11,677,986.14 × 2,671,058.56 - Step 4: Simplify right side
7,785,112x = 31,192,584,842,808.36 - Step 5: Solve for x
x = 31,192,584,842,808.36/7,785,112 - Step 6: Final answer
x = 4,006,696.99
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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.