Finding the Fourth Proportional to 27,686,246.11, 38,209,250.24 and 15,297,422.47
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Solution
The fourth proportional to 27,686,246.11, 38,209,250.24 and 15,297,422.47 is: 21,111,675.48
Step by Step Solution
- Step 1: Write the proportion equation
27,686,246.11 : 38,209,250.24 = 15,297,422.47 : x - Step 2: Convert to fraction form
27,686,246.11/38,209,250.24 = 15,297,422.47/x - Step 3: Cross multiply
27,686,246.11x = 38,209,250.24 × 15,297,422.47 - Step 4: Simplify right side
27,686,246.11x = 584,503,043,068,584 - Step 5: Solve for x
x = 584,503,043,068,584/27,686,246.11 - Step 6: Final answer
x = 21,111,675.48
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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.