Finding the Fourth Proportional to 11,485,924.49, 15,850,682.09 and 6,329,470.56
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Solution
The fourth proportional to 11,485,924.49, 15,850,682.09 and 6,329,470.56 is: 8,734,727.95
Step by Step Solution
- Step 1: Write the proportion equation
11,485,924.49 : 15,850,682.09 = 6,329,470.56 : x - Step 2: Convert to fraction form
11,485,924.49/15,850,682.09 = 6,329,470.56/x - Step 3: Cross multiply
11,485,924.49x = 15,850,682.09 × 6,329,470.56 - Step 4: Simplify right side
11,485,924.49x = 100,326,425,612,926.92 - Step 5: Solve for x
x = 100,326,425,612,926.92/11,485,924.49 - Step 6: Final answer
x = 8,734,727.95
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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.