Finding the Fourth Proportional to 10,239,489.70, 14,130,543.96 and 5,593,339.18
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Solution
The fourth proportional to 10,239,489.70, 14,130,543.96 and 5,593,339.18 is: 7,718,834.38
Step by Step Solution
- Step 1: Write the proportion equation
10,239,489.70 : 14,130,543.96 = 5,593,339.18 : x - Step 2: Convert to fraction form
10,239,489.70/14,130,543.96 = 5,593,339.18/x - Step 3: Cross multiply
10,239,489.70x = 14,130,543.96 × 5,593,339.18 - Step 4: Simplify right side
10,239,489.70x = 79,036,925,166,180.36 - Step 5: Solve for x
x = 79,036,925,166,180.36/10,239,489.70 - Step 6: Final answer
x = 7,718,834.38
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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.