Finding the Fourth Proportional to 8,381,923.68, 11,569,886.64 and 5,445,757.92
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Solution
The fourth proportional to 8,381,923.68, 11,569,886.64 and 5,445,757.92 is: 7,516,985.86
Step by Step Solution
- Step 1: Write the proportion equation
8,381,923.68 : 11,569,886.64 = 5,445,757.92 : x - Step 2: Convert to fraction form
8,381,923.68/11,569,886.64 = 5,445,757.92/x - Step 3: Cross multiply
8,381,923.68x = 11,569,886.64 × 5,445,757.92 - Step 4: Simplify right side
8,381,923.68x = 63,006,801,803,282.19 - Step 5: Solve for x
x = 63,006,801,803,282.19/8,381,923.68 - Step 6: Final answer
x = 7,516,985.86
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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.