Finding the Fourth Proportional to 27,722,135.52, 38,241,187.92 and 16,118,416.08
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Solution
The fourth proportional to 27,722,135.52, 38,241,187.92 and 16,118,416.08 is: 22,234,483.99
Step by Step Solution
- Step 1: Write the proportion equation
27,722,135.52 : 38,241,187.92 = 16,118,416.08 : x - Step 2: Convert to fraction form
27,722,135.52/38,241,187.92 = 16,118,416.08/x - Step 3: Cross multiply
27,722,135.52x = 38,241,187.92 × 16,118,416.08 - Step 4: Simplify right side
27,722,135.52x = 616,387,378,288,029.75 - Step 5: Solve for x
x = 616,387,378,288,029.75/27,722,135.52 - Step 6: Final answer
x = 22,234,483.99
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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.