Finding the Fourth Proportional to 22,521,265.57, 31,079,113.99 and 12,598,019.63
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Solution
The fourth proportional to 22,521,265.57, 31,079,113.99 and 12,598,019.63 is: 17,385,137.03
Step by Step Solution
- Step 1: Write the proportion equation
22,521,265.57 : 31,079,113.99 = 12,598,019.63 : x - Step 2: Convert to fraction form
22,521,265.57/31,079,113.99 = 12,598,019.63/x - Step 3: Cross multiply
22,521,265.57x = 31,079,113.99 × 12,598,019.63 - Step 4: Simplify right side
22,521,265.57x = 391,535,288,129,027.62 - Step 5: Solve for x
x = 391,535,288,129,027.62/22,521,265.57 - Step 6: Final answer
x = 17,385,137.03
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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.