Finding the Fourth Proportional to 11,276,793.06, 15,561,985.10 and 6,120,155.94
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Solution
The fourth proportional to 11,276,793.06, 15,561,985.10 and 6,120,155.94 is: 8,445,820.99
Step by Step Solution
- Step 1: Write the proportion equation
11,276,793.06 : 15,561,985.10 = 6,120,155.94 : x - Step 2: Convert to fraction form
11,276,793.06/15,561,985.10 = 6,120,155.94/x - Step 3: Cross multiply
11,276,793.06x = 15,561,985.10 × 6,120,155.94 - Step 4: Simplify right side
11,276,793.06x = 95,241,775,547,956.50 - Step 5: Solve for x
x = 95,241,775,547,956.50/11,276,793.06 - Step 6: Final answer
x = 8,445,820.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.