Finding the Fourth Proportional to 19,429,202.75, 29,145,203.81 and 7,461,938.75
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Solution
The fourth proportional to 19,429,202.75, 29,145,203.81 and 7,461,938.75 is: 11,193,445.69
Step by Step Solution
- Step 1: Write the proportion equation
19,429,202.75 : 29,145,203.81 = 7,461,938.75 : x - Step 2: Convert to fraction form
19,429,202.75/29,145,203.81 = 7,461,938.75/x - Step 3: Cross multiply
19,429,202.75x = 29,145,203.81 × 7,461,938.75 - Step 4: Simplify right side
19,429,202.75x = 217,479,725,686,486.62 - Step 5: Solve for x
x = 217,479,725,686,486.62/19,429,202.75 - Step 6: Final answer
x = 11,193,445.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.