Finding the Fourth Proportional to 13,720,842.03, 20,583,501.09 and 5,631,646.62
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Solution
The fourth proportional to 13,720,842.03, 20,583,501.09 and 5,631,646.62 is: 8,448,388.52
Step by Step Solution
- Step 1: Write the proportion equation
13,720,842.03 : 20,583,501.09 = 5,631,646.62 : x - Step 2: Convert to fraction form
13,720,842.03/20,583,501.09 = 5,631,646.62/x - Step 3: Cross multiply
13,720,842.03x = 20,583,501.09 × 5,631,646.62 - Step 4: Simplify right side
13,720,842.03x = 115,919,004,341,264.81 - Step 5: Solve for x
x = 115,919,004,341,264.81/13,720,842.03 - Step 6: Final answer
x = 8,448,388.52
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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.