Finding the Fourth Proportional to 26,298,638.15, 39,454,341.98 and 8,102,832.44
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Solution
The fourth proportional to 26,298,638.15, 39,454,341.98 and 8,102,832.44 is: 12,156,215.85
Step by Step Solution
- Step 1: Write the proportion equation
26,298,638.15 : 39,454,341.98 = 8,102,832.44 : x - Step 2: Convert to fraction form
26,298,638.15/39,454,341.98 = 8,102,832.44/x - Step 3: Cross multiply
26,298,638.15x = 39,454,341.98 × 8,102,832.44 - Step 4: Simplify right side
26,298,638.15x = 319,691,921,856,611.94 - Step 5: Solve for x
x = 319,691,921,856,611.94/26,298,638.15 - Step 6: Final answer
x = 12,156,215.85
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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.