Finding the Fourth Proportional to 9,968,138.70, 14,959,206.45 and 4,292,436.30
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Solution
The fourth proportional to 9,968,138.70, 14,959,206.45 and 4,292,436.30 is: 6,441,668.07
Step by Step Solution
- Step 1: Write the proportion equation
9,968,138.70 : 14,959,206.45 = 4,292,436.30 : x - Step 2: Convert to fraction form
9,968,138.70/14,959,206.45 = 4,292,436.30/x - Step 3: Cross multiply
9,968,138.70x = 14,959,206.45 × 4,292,436.30 - Step 4: Simplify right side
9,968,138.70x = 64,211,440,785,174.13 - Step 5: Solve for x
x = 64,211,440,785,174.13/9,968,138.70 - Step 6: Final answer
x = 6,441,668.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.