Finding the Fourth Proportional to 26,418,638.70, 36,457,985.49 and 14,815,953.07
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Solution
The fourth proportional to 26,418,638.70, 36,457,985.49 and 14,815,953.07 is: 20,446,163.33
Step by Step Solution
- Step 1: Write the proportion equation
26,418,638.70 : 36,457,985.49 = 14,815,953.07 : x - Step 2: Convert to fraction form
26,418,638.70/36,457,985.49 = 14,815,953.07/x - Step 3: Cross multiply
26,418,638.70x = 36,457,985.49 × 14,815,953.07 - Step 4: Simplify right side
26,418,638.70x = 540,159,801,899,876.19 - Step 5: Solve for x
x = 540,159,801,899,876.19/26,418,638.70 - Step 6: Final answer
x = 20,446,163.33
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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.