Finding the Fourth Proportional to 11,263,276.16, 15,543,648.95 and 6,368,393.10
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Solution
The fourth proportional to 11,263,276.16, 15,543,648.95 and 6,368,393.10 is: 8,788,567.85
Step by Step Solution
- Step 1: Write the proportion equation
11,263,276.16 : 15,543,648.95 = 6,368,393.10 : x - Step 2: Convert to fraction form
11,263,276.16/15,543,648.95 = 6,368,393.10/x - Step 3: Cross multiply
11,263,276.16x = 15,543,648.95 × 6,368,393.10 - Step 4: Simplify right side
11,263,276.16x = 98,988,066,690,160.28 - Step 5: Solve for x
x = 98,988,066,690,160.28/11,263,276.16 - Step 6: Final answer
x = 8,788,567.85
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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.