Finding the Fourth Proportional to 14,279,157.19, 19,721,461.26 and 9,624,915.01
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Solution
The fourth proportional to 14,279,157.19, 19,721,461.26 and 9,624,915.01 is: 13,293,318.78
Step by Step Solution
- Step 1: Write the proportion equation
14,279,157.19 : 19,721,461.26 = 9,624,915.01 : x - Step 2: Convert to fraction form
14,279,157.19/19,721,461.26 = 9,624,915.01/x - Step 3: Cross multiply
14,279,157.19x = 19,721,461.26 × 9,624,915.01 - Step 4: Simplify right side
14,279,157.19x = 189,817,388,500,507.53 - Step 5: Solve for x
x = 189,817,388,500,507.53/14,279,157.19 - Step 6: Final answer
x = 13,293,318.78
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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.