Finding the Fourth Proportional to 27,722,138.52, 38,241,192.06 and 16,118,419.08
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Solution
The fourth proportional to 27,722,138.52, 38,241,192.06 and 16,118,419.08 is: 22,234,488.13
Step by Step Solution
- Step 1: Write the proportion equation
27,722,138.52 : 38,241,192.06 = 16,118,419.08 : x - Step 2: Convert to fraction form
27,722,138.52/38,241,192.06 = 16,118,419.08/x - Step 3: Cross multiply
27,722,138.52x = 38,241,192.06 × 16,118,419.08 - Step 4: Simplify right side
27,722,138.52x = 616,387,559,741,848.50 - Step 5: Solve for x
x = 616,387,559,741,848.50/27,722,138.52 - Step 6: Final answer
x = 22,234,488.13
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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.