Finding the Fourth Proportional to 10,935,010.80, 16,402,516.20 and 6,381,385.20
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Solution
The fourth proportional to 10,935,010.80, 16,402,516.20 and 6,381,385.20 is: 9,572,077.80
Step by Step Solution
- Step 1: Write the proportion equation
10,935,010.80 : 16,402,516.20 = 6,381,385.20 : x - Step 2: Convert to fraction form
10,935,010.80/16,402,516.20 = 6,381,385.20/x - Step 3: Cross multiply
10,935,010.80x = 16,402,516.20 × 6,381,385.20 - Step 4: Simplify right side
10,935,010.80x = 104,670,774,121,440.23 - Step 5: Solve for x
x = 104,670,774,121,440.23/10,935,010.80 - Step 6: Final answer
x = 9,572,077.80
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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.