Finding the Fourth Proportional to 17,532,208.20, 26,298,312.30 and 9,879,457.80
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Solution
The fourth proportional to 17,532,208.20, 26,298,312.30 and 9,879,457.80 is: 14,819,186.70
Step by Step Solution
- Step 1: Write the proportion equation
17,532,208.20 : 26,298,312.30 = 9,879,457.80 : x - Step 2: Convert to fraction form
17,532,208.20/26,298,312.30 = 9,879,457.80/x - Step 3: Cross multiply
17,532,208.20x = 26,298,312.30 × 9,879,457.80 - Step 4: Simplify right side
17,532,208.20x = 259,813,066,579,070.97 - Step 5: Solve for x
x = 259,813,066,579,070.97/17,532,208.20 - Step 6: Final answer
x = 14,819,186.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.