Finding the Fourth Proportional to 27,733,390.71, 38,272,890.06 and 15,175,199.31
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Solution
The fourth proportional to 27,733,390.71, 38,272,890.06 and 15,175,199.31 is: 20,942,218.75
Step by Step Solution
- Step 1: Write the proportion equation
27,733,390.71 : 38,272,890.06 = 15,175,199.31 : x - Step 2: Convert to fraction form
27,733,390.71/38,272,890.06 = 15,175,199.31/x - Step 3: Cross multiply
27,733,390.71x = 38,272,890.06 × 15,175,199.31 - Step 4: Simplify right side
27,733,390.71x = 580,798,734,830,217.88 - Step 5: Solve for x
x = 580,798,734,830,217.88/27,733,390.71 - Step 6: Final answer
x = 20,942,218.75
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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.