Finding the Fourth Proportional to 26,265,672.34, 39,422,416.73 and 13,979,950.09
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Solution
The fourth proportional to 26,265,672.34, 39,422,416.73 and 13,979,950.09 is: 20,982,650.32
Step by Step Solution
- Step 1: Write the proportion equation
26,265,672.34 : 39,422,416.73 = 13,979,950.09 : x - Step 2: Convert to fraction form
26,265,672.34/39,422,416.73 = 13,979,950.09/x - Step 3: Cross multiply
26,265,672.34x = 39,422,416.73 × 13,979,950.09 - Step 4: Simplify right side
26,265,672.34x = 551,123,418,045,569.25 - Step 5: Solve for x
x = 551,123,418,045,569.25/26,265,672.34 - Step 6: Final answer
x = 20,982,650.32
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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.