Finding the Fourth Proportional to 26,961,660.90, 40,438,504.92 and 9,918,348.03
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Solution
The fourth proportional to 26,961,660.90, 40,438,504.92 and 9,918,348.03 is: 14,876,055.56
Step by Step Solution
- Step 1: Write the proportion equation
26,961,660.90 : 40,438,504.92 = 9,918,348.03 : x - Step 2: Convert to fraction form
26,961,660.90/40,438,504.92 = 9,918,348.03/x - Step 3: Cross multiply
26,961,660.90x = 40,438,504.92 × 9,918,348.03 - Step 4: Simplify right side
26,961,660.90x = 401,083,165,609,427.31 - Step 5: Solve for x
x = 401,083,165,609,427.31/26,961,660.90 - Step 6: Final answer
x = 14,876,055.56
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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.