Finding the Fourth Proportional to 11,438,118.66, 15,780,656.85 and 7,310,566.02
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Solution
The fourth proportional to 11,438,118.66, 15,780,656.85 and 7,310,566.02 is: 10,086,058.48
Step by Step Solution
- Step 1: Write the proportion equation
11,438,118.66 : 15,780,656.85 = 7,310,566.02 : x - Step 2: Convert to fraction form
11,438,118.66/15,780,656.85 = 7,310,566.02/x - Step 3: Cross multiply
11,438,118.66x = 15,780,656.85 × 7,310,566.02 - Step 4: Simplify right side
11,438,118.66x = 115,365,533,740,890.23 - Step 5: Solve for x
x = 115,365,533,740,890.23/11,438,118.66 - Step 6: Final answer
x = 10,086,058.48
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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.