Finding the Fourth Proportional to 11,253,429.20, 15,528,873.48 and 6,842,541.80
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Solution
The fourth proportional to 11,253,429.20, 15,528,873.48 and 6,842,541.80 is: 9,442,185.49
Step by Step Solution
- Step 1: Write the proportion equation
11,253,429.20 : 15,528,873.48 = 6,842,541.80 : x - Step 2: Convert to fraction form
11,253,429.20/15,528,873.48 = 6,842,541.80/x - Step 3: Cross multiply
11,253,429.20x = 15,528,873.48 × 6,842,541.80 - Step 4: Simplify right side
11,253,429.20x = 106,256,965,893,811.47 - Step 5: Solve for x
x = 106,256,965,893,811.47/11,253,429.20 - Step 6: Final answer
x = 9,442,185.49
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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.