Finding the Fourth Proportional to 10,920,595.23, 16,380,916.16 and 4,439,096.09
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Solution
The fourth proportional to 10,920,595.23, 16,380,916.16 and 4,439,096.09 is: 6,658,653.61
Step by Step Solution
- Step 1: Write the proportion equation
10,920,595.23 : 16,380,916.16 = 4,439,096.09 : x - Step 2: Convert to fraction form
10,920,595.23/16,380,916.16 = 4,439,096.09/x - Step 3: Cross multiply
10,920,595.23x = 16,380,916.16 × 4,439,096.09 - Step 4: Simplify right side
10,920,595.23x = 72,716,460,833,802.19 - Step 5: Solve for x
x = 72,716,460,833,802.19/10,920,595.23 - Step 6: Final answer
x = 6,658,653.61
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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.