Finding the Fourth Proportional to 12,253,533.81, 16,909,733.99 and 6,746,791.74
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Solution
The fourth proportional to 12,253,533.81, 16,909,733.99 and 6,746,791.74 is: 9,310,494.05
Step by Step Solution
- Step 1: Write the proportion equation
12,253,533.81 : 16,909,733.99 = 6,746,791.74 : x - Step 2: Convert to fraction form
12,253,533.81/16,909,733.99 = 6,746,791.74/x - Step 3: Cross multiply
12,253,533.81x = 16,909,733.99 × 6,746,791.74 - Step 4: Simplify right side
12,253,533.81x = 114,086,453,575,595.28 - Step 5: Solve for x
x = 114,086,453,575,595.28/12,253,533.81 - Step 6: Final answer
x = 9,310,494.05
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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.