Finding the Fourth Proportional to 8,497,792.64, 12,748,681.28 and 3,380,512.96
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Solution
The fourth proportional to 8,497,792.64, 12,748,681.28 and 3,380,512.96 is: 5,071,562.01
Step by Step Solution
- Step 1: Write the proportion equation
8,497,792.64 : 12,748,681.28 = 3,380,512.96 : x - Step 2: Convert to fraction form
8,497,792.64/12,748,681.28 = 3,380,512.96/x - Step 3: Cross multiply
8,497,792.64x = 12,748,681.28 × 3,380,512.96 - Step 4: Simplify right side
8,497,792.64x = 43,097,082,289,949.38 - Step 5: Solve for x
x = 43,097,082,289,949.38/8,497,792.64 - Step 6: Final answer
x = 5,071,562.01
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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.