Finding the Fourth Proportional to 13,720,839.03, 20,583,496.58 and 5,631,643.62
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Solution
The fourth proportional to 13,720,839.03, 20,583,496.58 and 5,631,643.62 is: 8,448,384.02
Step by Step Solution
- Step 1: Write the proportion equation
13,720,839.03 : 20,583,496.58 = 5,631,643.62 : x - Step 2: Convert to fraction form
13,720,839.03/20,583,496.58 = 5,631,643.62/x - Step 3: Cross multiply
13,720,839.03x = 20,583,496.58 × 5,631,643.62 - Step 4: Simplify right side
13,720,839.03x = 115,918,917,163,890.59 - Step 5: Solve for x
x = 115,918,917,163,890.59/13,720,839.03 - Step 6: Final answer
x = 8,448,384.02
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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.