Finding the Fourth Proportional to 24,720,126.95, 34,110,639.68 and 13,553,681.42
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Solution
The fourth proportional to 24,720,126.95, 34,110,639.68 and 13,553,681.42 is: 18,702,361.20
Step by Step Solution
- Step 1: Write the proportion equation
24,720,126.95 : 34,110,639.68 = 13,553,681.42 : x - Step 2: Convert to fraction form
24,720,126.95/34,110,639.68 = 13,553,681.42/x - Step 3: Cross multiply
24,720,126.95x = 34,110,639.68 × 13,553,681.42 - Step 4: Simplify right side
24,720,126.95x = 462,324,743,272,638.88 - Step 5: Solve for x
x = 462,324,743,272,638.88/24,720,126.95 - Step 6: Final answer
x = 18,702,361.20
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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.