Finding the Fourth Proportional to 11,559,629.20, 15,952,813.48 and 6,402,990.18
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Solution
The fourth proportional to 11,559,629.20, 15,952,813.48 and 6,402,990.18 is: 8,836,417.35
Step by Step Solution
- Step 1: Write the proportion equation
11,559,629.20 : 15,952,813.48 = 6,402,990.18 : x - Step 2: Convert to fraction form
11,559,629.20/15,952,813.48 = 6,402,990.18/x - Step 3: Cross multiply
11,559,629.20x = 15,952,813.48 × 6,402,990.18 - Step 4: Simplify right side
11,559,629.20x = 102,145,708,055,811.62 - Step 5: Solve for x
x = 102,145,708,055,811.62/11,559,629.20 - Step 6: Final answer
x = 8,836,417.35
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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.