Finding the Fourth Proportional to 29,181,291.82, 40,272,267.63 and 16,128,269.80
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Solution
The fourth proportional to 29,181,291.82, 40,272,267.63 and 16,128,269.80 is: 22,258,164.64
Step by Step Solution
- Step 1: Write the proportion equation
29,181,291.82 : 40,272,267.63 = 16,128,269.80 : x - Step 2: Convert to fraction form
29,181,291.82/40,272,267.63 = 16,128,269.80/x - Step 3: Cross multiply
29,181,291.82x = 40,272,267.63 × 16,128,269.80 - Step 4: Simplify right side
29,181,291.82x = 649,521,997,794,446.62 - Step 5: Solve for x
x = 649,521,997,794,446.62/29,181,291.82 - Step 6: Final answer
x = 22,258,164.64
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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.