Finding the Fourth Proportional to 26,156,369.92, 39,240,201.84 and 7,961,987.68
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Solution
The fourth proportional to 26,156,369.92, 39,240,201.84 and 7,961,987.68 is: 11,944,700.45
Step by Step Solution
- Step 1: Write the proportion equation
26,156,369.92 : 39,240,201.84 = 7,961,987.68 : x - Step 2: Convert to fraction form
26,156,369.92/39,240,201.84 = 7,961,987.68/x - Step 3: Cross multiply
26,156,369.92x = 39,240,201.84 × 7,961,987.68 - Step 4: Simplify right side
26,156,369.92x = 312,430,003,610,793.38 - Step 5: Solve for x
x = 312,430,003,610,793.38/26,156,369.92 - Step 6: Final answer
x = 11,944,700.45
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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.