Finding the Fourth Proportional to 9,059,399.44, 12,497,207.09 and 5,385,702.81
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Solution
The fourth proportional to 9,059,399.44, 12,497,207.09 and 5,385,702.81 is: 7,429,437.66
Step by Step Solution
- Step 1: Write the proportion equation
9,059,399.44 : 12,497,207.09 = 5,385,702.81 : x - Step 2: Convert to fraction form
9,059,399.44/12,497,207.09 = 5,385,702.81/x - Step 3: Cross multiply
9,059,399.44x = 12,497,207.09 × 5,385,702.81 - Step 4: Simplify right side
9,059,399.44x = 67,306,243,341,764.91 - Step 5: Solve for x
x = 67,306,243,341,764.91/9,059,399.44 - Step 6: Final answer
x = 7,429,437.66
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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.