Finding the Fourth Proportional to 11,803,984.97, 17,698,765.14 and 5,657,847.32
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Solution
The fourth proportional to 11,803,984.97, 17,698,765.14 and 5,657,847.32 is: 8,483,313.99
Step by Step Solution
- Step 1: Write the proportion equation
11,803,984.97 : 17,698,765.14 = 5,657,847.32 : x - Step 2: Convert to fraction form
11,803,984.97/17,698,765.14 = 5,657,847.32/x - Step 3: Cross multiply
11,803,984.97x = 17,698,765.14 × 5,657,847.32 - Step 4: Simplify right side
11,803,984.97x = 100,136,910,826,164.61 - Step 5: Solve for x
x = 100,136,910,826,164.61/11,803,984.97 - Step 6: Final answer
x = 8,483,313.99
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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.