Finding the Fourth Proportional to 19,683,548.30, 29,529,988.05 and 10,100,405.90
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Solution
The fourth proportional to 19,683,548.30, 29,529,988.05 and 10,100,405.90 is: 15,153,002.95
Step by Step Solution
- Step 1: Write the proportion equation
19,683,548.30 : 29,529,988.05 = 10,100,405.90 : x - Step 2: Convert to fraction form
19,683,548.30/29,529,988.05 = 10,100,405.90/x - Step 3: Cross multiply
19,683,548.30x = 29,529,988.05 × 10,100,405.90 - Step 4: Simplify right side
19,683,548.30x = 298,264,865,527,149.50 - Step 5: Solve for x
x = 298,264,865,527,149.50/19,683,548.30 - Step 6: Final answer
x = 15,153,002.95
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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.