Finding the Fourth Proportional to 13,388,337.18, 18,476,295.02 and 7,586,926.02
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Solution
The fourth proportional to 13,388,337.18, 18,476,295.02 and 7,586,926.02 is: 10,470,178.75
Step by Step Solution
- Step 1: Write the proportion equation
13,388,337.18 : 18,476,295.02 = 7,586,926.02 : x - Step 2: Convert to fraction form
13,388,337.18/18,476,295.02 = 7,586,926.02/x - Step 3: Cross multiply
13,388,337.18x = 18,476,295.02 × 7,586,926.02 - Step 4: Simplify right side
13,388,337.18x = 140,178,283,440,434.41 - Step 5: Solve for x
x = 140,178,283,440,434.41/13,388,337.18 - Step 6: Final answer
x = 10,470,178.75
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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.