Finding the Fourth Proportional to 7,718,457.92, 10,651,827.52 and 4,280,494.08
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Solution
The fourth proportional to 7,718,457.92, 10,651,827.52 and 4,280,494.08 is: 5,907,279.03
Step by Step Solution
- Step 1: Write the proportion equation
7,718,457.92 : 10,651,827.52 = 4,280,494.08 : x - Step 2: Convert to fraction form
7,718,457.92/10,651,827.52 = 4,280,494.08/x - Step 3: Cross multiply
7,718,457.92x = 10,651,827.52 × 4,280,494.08 - Step 4: Simplify right side
7,718,457.92x = 45,595,084,640,541.08 - Step 5: Solve for x
x = 45,595,084,640,541.08/7,718,457.92 - Step 6: Final answer
x = 5,907,279.03
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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.