Finding the Fourth Proportional to 54,518,373.78, 81,778,272.97 and 18,126,764.12
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Solution
The fourth proportional to 54,518,373.78, 81,778,272.97 and 18,126,764.12 is: 27,190,383.01
Step by Step Solution
- Step 1: Write the proportion equation
54,518,373.78 : 81,778,272.97 = 18,126,764.12 : x - Step 2: Convert to fraction form
54,518,373.78/81,778,272.97 = 18,126,764.12/x - Step 3: Cross multiply
54,518,373.78x = 81,778,272.97 × 18,126,764.12 - Step 4: Simplify right side
54,518,373.78x = 1,482,375,464,001,275.50 - Step 5: Solve for x
x = 1,482,375,464,001,275.50/54,518,373.78 - Step 6: Final answer
x = 27,190,383.01
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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.