Finding the Fourth Proportional to 19,762,857.84, 27,266,529.24 and 11,059,647.60
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Solution
The fourth proportional to 19,762,857.84, 27,266,529.24 and 11,059,647.60 is: 15,258,835.90
Step by Step Solution
- Step 1: Write the proportion equation
19,762,857.84 : 27,266,529.24 = 11,059,647.60 : x - Step 2: Convert to fraction form
19,762,857.84/27,266,529.24 = 11,059,647.60/x - Step 3: Cross multiply
19,762,857.84x = 27,266,529.24 × 11,059,647.60 - Step 4: Simplify right side
19,762,857.84x = 301,558,204,669,495.81 - Step 5: Solve for x
x = 301,558,204,669,495.81/19,762,857.84 - Step 6: Final answer
x = 15,258,835.90
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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.