Finding the Fourth Proportional to 14,880,317.76, 20,533,420.08 and 8,352,451.08
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Solution
The fourth proportional to 14,880,317.76, 20,533,420.08 and 8,352,451.08 is: 11,525,586.31
Step by Step Solution
- Step 1: Write the proportion equation
14,880,317.76 : 20,533,420.08 = 8,352,451.08 : x - Step 2: Convert to fraction form
14,880,317.76/20,533,420.08 = 8,352,451.08/x - Step 3: Cross multiply
14,880,317.76x = 20,533,420.08 × 8,352,451.08 - Step 4: Simplify right side
14,880,317.76x = 171,504,386,723,289.69 - Step 5: Solve for x
x = 171,504,386,723,289.69/14,880,317.76 - Step 6: Final answer
x = 11,525,586.31
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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.