Finding the Fourth Proportional to 29,387,216.40, 44,069,290.20 and 11,181,742.80
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Solution
The fourth proportional to 29,387,216.40, 44,069,290.20 and 11,181,742.80 is: 16,768,225.40
Step by Step Solution
- Step 1: Write the proportion equation
29,387,216.40 : 44,069,290.20 = 11,181,742.80 : x - Step 2: Convert to fraction form
29,387,216.40/44,069,290.20 = 11,181,742.80/x - Step 3: Cross multiply
29,387,216.40x = 44,069,290.20 × 11,181,742.80 - Step 4: Simplify right side
29,387,216.40x = 492,771,468,394,960.62 - Step 5: Solve for x
x = 492,771,468,394,960.62/29,387,216.40 - Step 6: Final answer
x = 16,768,225.40
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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.