Finding the Fourth Proportional to 14,365,640.16, 19,825,002.08 and 7,839,689.92
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Solution
The fourth proportional to 14,365,640.16, 19,825,002.08 and 7,839,689.92 is: 10,819,000.56
Step by Step Solution
- Step 1: Write the proportion equation
14,365,640.16 : 19,825,002.08 = 7,839,689.92 : x - Step 2: Convert to fraction form
14,365,640.16/19,825,002.08 = 7,839,689.92/x - Step 3: Cross multiply
14,365,640.16x = 19,825,002.08 × 7,839,689.92 - Step 4: Simplify right side
14,365,640.16x = 155,421,868,970,555.03 - Step 5: Solve for x
x = 155,421,868,970,555.03/14,365,640.16 - Step 6: Final answer
x = 10,819,000.56
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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.