Finding the Fourth Proportional to 12,092,846.63, 16,688,128.34 and 6,660,338.63
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Solution
The fourth proportional to 12,092,846.63, 16,688,128.34 and 6,660,338.63 is: 9,191,267.30
Step by Step Solution
- Step 1: Write the proportion equation
12,092,846.63 : 16,688,128.34 = 6,660,338.63 : x - Step 2: Convert to fraction form
12,092,846.63/16,688,128.34 = 6,660,338.63/x - Step 3: Cross multiply
12,092,846.63x = 16,688,128.34 × 6,660,338.63 - Step 4: Simplify right side
12,092,846.63x = 111,148,585,778,509.97 - Step 5: Solve for x
x = 111,148,585,778,509.97/12,092,846.63 - Step 6: Final answer
x = 9,191,267.30
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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.