Finding the Fourth Proportional to 19,227,153.36, 28,842,013.34 and 6,761,862.69
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Solution
The fourth proportional to 19,227,153.36, 28,842,013.34 and 6,761,862.69 is: 10,143,245.34
Step by Step Solution
- Step 1: Write the proportion equation
19,227,153.36 : 28,842,013.34 = 6,761,862.69 : x - Step 2: Convert to fraction form
19,227,153.36/28,842,013.34 = 6,761,862.69/x - Step 3: Cross multiply
19,227,153.36x = 28,842,013.34 × 6,761,862.69 - Step 4: Simplify right side
19,227,153.36x = 195,025,733,791,618.41 - Step 5: Solve for x
x = 195,025,733,791,618.41/19,227,153.36 - Step 6: Final answer
x = 10,143,245.34
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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.