Finding the Fourth Proportional to 13,420,567.14, 20,129,343.03 and 3,706,561.14
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Solution
The fourth proportional to 13,420,567.14, 20,129,343.03 and 3,706,561.14 is: 5,559,425.31
Step by Step Solution
- Step 1: Write the proportion equation
13,420,567.14 : 20,129,343.03 = 3,706,561.14 : x - Step 2: Convert to fraction form
13,420,567.14/20,129,343.03 = 3,706,561.14/x - Step 3: Cross multiply
13,420,567.14x = 20,129,343.03 × 3,706,561.14 - Step 4: Simplify right side
13,420,567.14x = 74,610,640,648,727.86 - Step 5: Solve for x
x = 74,610,640,648,727.86/13,420,567.14 - Step 6: Final answer
x = 5,559,425.31
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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.