Finding the Fourth Proportional to 17,038,376.19, 23,512,988.21 and 9,303,253.65
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Solution
The fourth proportional to 17,038,376.19, 23,512,988.21 and 9,303,253.65 is: 12,838,505.91
Step by Step Solution
- Step 1: Write the proportion equation
17,038,376.19 : 23,512,988.21 = 9,303,253.65 : x - Step 2: Convert to fraction form
17,038,376.19/23,512,988.21 = 9,303,253.65/x - Step 3: Cross multiply
17,038,376.19x = 23,512,988.21 × 9,303,253.65 - Step 4: Simplify right side
17,038,376.19x = 218,747,293,340,573.19 - Step 5: Solve for x
x = 218,747,293,340,573.19/17,038,376.19 - Step 6: Final answer
x = 12,838,505.91
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1.5x scale
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.