Finding the Fourth Proportional to 17,962,142.95, 24,787,767.21 and 9,702,205.19
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Solution
The fourth proportional to 17,962,142.95, 24,787,767.21 and 9,702,205.19 is: 13,389,048.53
Step by Step Solution
- Step 1: Write the proportion equation
17,962,142.95 : 24,787,767.21 = 9,702,205.19 : x - Step 2: Convert to fraction form
17,962,142.95/24,787,767.21 = 9,702,205.19/x - Step 3: Cross multiply
17,962,142.95x = 24,787,767.21 × 9,702,205.19 - Step 4: Simplify right side
17,962,142.95x = 240,496,003,673,373.81 - Step 5: Solve for x
x = 240,496,003,673,373.81/17,962,142.95 - Step 6: Final answer
x = 13,389,048.53
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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.