Finding the Fourth Proportional to 17,465,125.80, 26,197,688.70 and 12,706,213.80
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Solution
The fourth proportional to 17,465,125.80, 26,197,688.70 and 12,706,213.80 is: 19,059,320.70
Step by Step Solution
- Step 1: Write the proportion equation
17,465,125.80 : 26,197,688.70 = 12,706,213.80 : x - Step 2: Convert to fraction form
17,465,125.80/26,197,688.70 = 12,706,213.80/x - Step 3: Cross multiply
17,465,125.80x = 26,197,688.70 × 12,706,213.80 - Step 4: Simplify right side
17,465,125.80x = 332,873,433,688,044.06 - Step 5: Solve for x
x = 332,873,433,688,044.06/17,465,125.80 - Step 6: Final answer
x = 19,059,320.70
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1.5x scale
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.