Finding the Fourth Proportional to 19,290,334.83, 29,050,977.84 and 17,568,465.99
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Solution
The fourth proportional to 19,290,334.83, 29,050,977.84 and 17,568,465.99 is: 26,457,867.15
Step by Step Solution
- Step 1: Write the proportion equation
19,290,334.83 : 29,050,977.84 = 17,568,465.99 : x - Step 2: Convert to fraction form
19,290,334.83/29,050,977.84 = 17,568,465.99/x - Step 3: Cross multiply
19,290,334.83x = 29,050,977.84 × 17,568,465.99 - Step 4: Simplify right side
19,290,334.83x = 510,381,116,186,989.94 - Step 5: Solve for x
x = 510,381,116,186,989.94/19,290,334.83 - Step 6: Final answer
x = 26,457,867.15
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.