Finding the Fourth Proportional to 9,251,709.97, 12,768,702.29 and 5,330,703.01
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Solution
The fourth proportional to 9,251,709.97, 12,768,702.29 and 5,330,703.01 is: 7,357,143.70
Step by Step Solution
- Step 1: Write the proportion equation
9,251,709.97 : 12,768,702.29 = 5,330,703.01 : x - Step 2: Convert to fraction form
9,251,709.97/12,768,702.29 = 5,330,703.01/x - Step 3: Cross multiply
9,251,709.97x = 12,768,702.29 × 5,330,703.01 - Step 4: Simplify right side
9,251,709.97x = 68,066,159,731,096.88 - Step 5: Solve for x
x = 68,066,159,731,096.88/9,251,709.97 - Step 6: Final answer
x = 7,357,143.70
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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.