Finding the Fourth Proportional to 14,279,229.81, 19,721,561.46 and 9,624,987.63
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Solution
The fourth proportional to 14,279,229.81, 19,721,561.46 and 9,624,987.63 is: 13,293,419.02
Step by Step Solution
- Step 1: Write the proportion equation
14,279,229.81 : 19,721,561.46 = 9,624,987.63 : x - Step 2: Convert to fraction form
14,279,229.81/19,721,561.46 = 9,624,987.63/x - Step 3: Cross multiply
14,279,229.81x = 19,721,561.46 × 9,624,987.63 - Step 4: Simplify right side
14,279,229.81x = 189,819,785,096,784.75 - Step 5: Solve for x
x = 189,819,785,096,784.75/14,279,229.81 - Step 6: Final answer
x = 13,293,419.02
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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.