Finding the Fourth Proportional to 17,640,547.20, 24,342,260.94 and 9,903,816
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Solution
The fourth proportional to 17,640,547.20, 24,342,260.94 and 9,903,816 is: 13,666,314.92
Step by Step Solution
- Step 1: Write the proportion equation
17,640,547.20 : 24,342,260.94 = 9,903,816 : x - Step 2: Convert to fraction form
17,640,547.20/24,342,260.94 = 9,903,816/x - Step 3: Cross multiply
17,640,547.20x = 24,342,260.94 × 9,903,816 - Step 4: Simplify right side
17,640,547.20x = 241,081,273,373,747.06 - Step 5: Solve for x
x = 241,081,273,373,747.06/17,640,547.20 - Step 6: Final answer
x = 13,666,314.92
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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.