Finding the Fourth Proportional to 17,912,141.08, 26,869,825.16 and 5,781,892.12
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Solution
The fourth proportional to 17,912,141.08, 26,869,825.16 and 5,781,892.12 is: 8,673,359.02
Step by Step Solution
- Step 1: Write the proportion equation
17,912,141.08 : 26,869,825.16 = 5,781,892.12 : x - Step 2: Convert to fraction form
17,912,141.08/26,869,825.16 = 5,781,892.12/x - Step 3: Cross multiply
17,912,141.08x = 26,869,825.16 × 5,781,892.12 - Step 4: Simplify right side
17,912,141.08x = 155,358,430,358,381.75 - Step 5: Solve for x
x = 155,358,430,358,381.75/17,912,141.08 - Step 6: Final answer
x = 8,673,359.02
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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.