Finding the Fourth Proportional to 19,398,548.84, 29,098,510.55 and 4,825,544.21
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Solution
The fourth proportional to 19,398,548.84, 29,098,510.55 and 4,825,544.21 is: 7,238,487.28
Step by Step Solution
- Step 1: Write the proportion equation
19,398,548.84 : 29,098,510.55 = 4,825,544.21 : x - Step 2: Convert to fraction form
19,398,548.84/29,098,510.55 = 4,825,544.21/x - Step 3: Cross multiply
19,398,548.84x = 29,098,510.55 × 4,825,544.21 - Step 4: Simplify right side
19,398,548.84x = 140,416,148,934,556.16 - Step 5: Solve for x
x = 140,416,148,934,556.16/19,398,548.84 - Step 6: Final answer
x = 7,238,487.28
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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.