Finding the Fourth Proportional to 10,867,628.25, 14,997,010.68 and 6,221,256.44
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Solution
The fourth proportional to 10,867,628.25, 14,997,010.68 and 6,221,256.44 is: 8,585,152.81
Step by Step Solution
- Step 1: Write the proportion equation
10,867,628.25 : 14,997,010.68 = 6,221,256.44 : x - Step 2: Convert to fraction form
10,867,628.25/14,997,010.68 = 6,221,256.44/x - Step 3: Cross multiply
10,867,628.25x = 14,997,010.68 × 6,221,256.44 - Step 4: Simplify right side
10,867,628.25x = 93,300,249,198,713.72 - Step 5: Solve for x
x = 93,300,249,198,713.72/10,867,628.25 - Step 6: Final answer
x = 8,585,152.81
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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.