Finding the Fourth Proportional to 26,280,135.44, 39,420,203.16 and 8,329,239.44
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Solution
The fourth proportional to 26,280,135.44, 39,420,203.16 and 8,329,239.44 is: 12,493,859.16
Step by Step Solution
- Step 1: Write the proportion equation
26,280,135.44 : 39,420,203.16 = 8,329,239.44 : x - Step 2: Convert to fraction form
26,280,135.44/39,420,203.16 = 8,329,239.44/x - Step 3: Cross multiply
26,280,135.44x = 39,420,203.16 × 8,329,239.44 - Step 4: Simplify right side
26,280,135.44x = 328,340,310,893,084.62 - Step 5: Solve for x
x = 328,340,310,893,084.62/26,280,135.44 - Step 6: Final answer
x = 12,493,859.16
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1.5x scale
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.