Finding the Fourth Proportional to 15,641,312.97, 23,431,422.25 and 7,432,276.17
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Solution
The fourth proportional to 15,641,312.97, 23,431,422.25 and 7,432,276.17 is: 11,133,899.15
Step by Step Solution
- Step 1: Write the proportion equation
15,641,312.97 : 23,431,422.25 = 7,432,276.17 : x - Step 2: Convert to fraction form
15,641,312.97/23,431,422.25 = 7,432,276.17/x - Step 3: Cross multiply
15,641,312.97x = 23,431,422.25 × 7,432,276.17 - Step 4: Simplify right side
15,641,312.97x = 174,148,801,217,882.78 - Step 5: Solve for x
x = 174,148,801,217,882.78/15,641,312.97 - Step 6: Final answer
x = 11,133,899.15
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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.