Finding the Fourth Proportional to 11,687,340.52, 16,128,220.48 and 6,530,744.44
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Solution
The fourth proportional to 11,687,340.52, 16,128,220.48 and 6,530,744.44 is: 9,012,254.42
Step by Step Solution
- Step 1: Write the proportion equation
11,687,340.52 : 16,128,220.48 = 6,530,744.44 : x - Step 2: Convert to fraction form
11,687,340.52/16,128,220.48 = 6,530,744.44/x - Step 3: Cross multiply
11,687,340.52x = 16,128,220.48 × 6,530,744.44 - Step 4: Simplify right side
11,687,340.52x = 105,329,286,226,854.14 - Step 5: Solve for x
x = 105,329,286,226,854.14/11,687,340.52 - Step 6: Final answer
x = 9,012,254.42
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1.5x scale
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.