Finding the Fourth Proportional to 23,653,811.58, 32,642,198.49 and 13,199,718.21
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Solution
The fourth proportional to 23,653,811.58, 32,642,198.49 and 13,199,718.21 is: 18,215,576.82
Step by Step Solution
- Step 1: Write the proportion equation
23,653,811.58 : 32,642,198.49 = 13,199,718.21 : x - Step 2: Convert to fraction form
23,653,811.58/32,642,198.49 = 13,199,718.21/x - Step 3: Cross multiply
23,653,811.58x = 32,642,198.49 × 13,199,718.21 - Step 4: Simplify right side
23,653,811.58x = 430,867,821,822,887.50 - Step 5: Solve for x
x = 430,867,821,822,887.50/23,653,811.58 - Step 6: Final answer
x = 18,215,576.82
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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.