Finding the Fourth Proportional to 14,239,254.72, 19,646,766.72 and 8,437,033.92
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Solution
The fourth proportional to 14,239,254.72, 19,646,766.72 and 8,437,033.92 is: 11,641,089.40
Step by Step Solution
- Step 1: Write the proportion equation
14,239,254.72 : 19,646,766.72 = 8,437,033.92 : x - Step 2: Convert to fraction form
14,239,254.72/19,646,766.72 = 8,437,033.92/x - Step 3: Cross multiply
14,239,254.72x = 19,646,766.72 × 8,437,033.92 - Step 4: Simplify right side
14,239,254.72x = 165,760,437,234,967.12 - Step 5: Solve for x
x = 165,760,437,234,967.12/14,239,254.72 - Step 6: Final answer
x = 11,641,089.40
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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.