Finding the Fourth Proportional to 14,340,422.96, 19,789,527.12 and 7,814,108.96
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Solution
The fourth proportional to 14,340,422.96, 19,789,527.12 and 7,814,108.96 is: 10,783,330.56
Step by Step Solution
- Step 1: Write the proportion equation
14,340,422.96 : 19,789,527.12 = 7,814,108.96 : x - Step 2: Convert to fraction form
14,340,422.96/19,789,527.12 = 7,814,108.96/x - Step 3: Cross multiply
14,340,422.96x = 19,789,527.12 × 7,814,108.96 - Step 4: Simplify right side
14,340,422.96x = 154,637,521,182,555 - Step 5: Solve for x
x = 154,637,521,182,555/14,340,422.96 - Step 6: Final answer
x = 10,783,330.56
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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.