Finding the Fourth Proportional to 19,735,369.68, 27,233,427.59 and 11,474,845.92
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Solution
The fourth proportional to 19,735,369.68, 27,233,427.59 and 11,474,845.92 is: 15,834,483.49
Step by Step Solution
- Step 1: Write the proportion equation
19,735,369.68 : 27,233,427.59 = 11,474,845.92 : x - Step 2: Convert to fraction form
19,735,369.68/27,233,427.59 = 11,474,845.92/x - Step 3: Cross multiply
19,735,369.68x = 27,233,427.59 × 11,474,845.92 - Step 4: Simplify right side
19,735,369.68x = 312,499,385,411,352.69 - Step 5: Solve for x
x = 312,499,385,411,352.69/19,735,369.68 - Step 6: Final answer
x = 15,834,483.49
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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.