Finding the Fourth Proportional to 13,554,204.04, 20,331,313.35 and 8,509,057.48
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Solution
The fourth proportional to 13,554,204.04, 20,331,313.35 and 8,509,057.48 is: 12,763,590.80
Step by Step Solution
- Step 1: Write the proportion equation
13,554,204.04 : 20,331,313.35 = 8,509,057.48 : x - Step 2: Convert to fraction form
13,554,204.04/20,331,313.35 = 8,509,057.48/x - Step 3: Cross multiply
13,554,204.04x = 20,331,313.35 × 8,509,057.48 - Step 4: Simplify right side
13,554,204.04x = 173,000,313,939,041.38 - Step 5: Solve for x
x = 173,000,313,939,041.38/13,554,204.04 - Step 6: Final answer
x = 12,763,590.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.