Finding the Fourth Proportional to 26,573,401.80, 39,860,102.70 and 8,622,505.80
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Solution
The fourth proportional to 26,573,401.80, 39,860,102.70 and 8,622,505.80 is: 12,933,758.70
Step by Step Solution
- Step 1: Write the proportion equation
26,573,401.80 : 39,860,102.70 = 8,622,505.80 : x - Step 2: Convert to fraction form
26,573,401.80/39,860,102.70 = 8,622,505.80/x - Step 3: Cross multiply
26,573,401.80x = 39,860,102.70 × 8,622,505.80 - Step 4: Simplify right side
26,573,401.80x = 343,693,966,719,345.69 - Step 5: Solve for x
x = 343,693,966,719,345.69/26,573,401.80 - Step 6: Final answer
x = 12,933,758.70
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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.