Finding the Fourth Proportional to 29,272,477.98, 40,395,979.62 and 16,220,581.86
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Solution
The fourth proportional to 29,272,477.98, 40,395,979.62 and 16,220,581.86 is: 22,384,380.81
Step by Step Solution
- Step 1: Write the proportion equation
29,272,477.98 : 40,395,979.62 = 16,220,581.86 : x - Step 2: Convert to fraction form
29,272,477.98/40,395,979.62 = 16,220,581.86/x - Step 3: Cross multiply
29,272,477.98x = 40,395,979.62 × 16,220,581.86 - Step 4: Simplify right side
29,272,477.98x = 655,246,294,241,101.62 - Step 5: Solve for x
x = 655,246,294,241,101.62/29,272,477.98 - Step 6: Final answer
x = 22,384,380.81
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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.