Finding the Fourth Proportional to 11,393,631.28, 15,723,210 and 6,236,996.32
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Solution
The fourth proportional to 11,393,631.28, 15,723,210 and 6,236,996.32 is: 8,607,054.28
Step by Step Solution
- Step 1: Write the proportion equation
11,393,631.28 : 15,723,210 = 6,236,996.32 : x - Step 2: Convert to fraction form
11,393,631.28/15,723,210 = 6,236,996.32/x - Step 3: Cross multiply
11,393,631.28x = 15,723,210 × 6,236,996.32 - Step 4: Simplify right side
11,393,631.28x = 98,065,602,908,587.20 - Step 5: Solve for x
x = 98,065,602,908,587.20/11,393,631.28 - Step 6: Final answer
x = 8,607,054.28
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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.