Finding the Fourth Proportional to 26,001,161.80, 39,001,742.70 and 12,564,233.80
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Solution
The fourth proportional to 26,001,161.80, 39,001,742.70 and 12,564,233.80 is: 18,846,350.70
Step by Step Solution
- Step 1: Write the proportion equation
26,001,161.80 : 39,001,742.70 = 12,564,233.80 : x - Step 2: Convert to fraction form
26,001,161.80/39,001,742.70 = 12,564,233.80/x - Step 3: Cross multiply
26,001,161.80x = 39,001,742.70 × 12,564,233.80 - Step 4: Simplify right side
26,001,161.80x = 490,027,013,890,243.31 - Step 5: Solve for x
x = 490,027,013,890,243.31/26,001,161.80 - Step 6: Final answer
x = 18,846,350.70
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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.