Finding the Fourth Proportional to 22,690,433.99, 31,312,998.74 and 12,377,202.95
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Solution
The fourth proportional to 22,690,433.99, 31,312,998.74 and 12,377,202.95 is: 17,080,649.07
Step by Step Solution
- Step 1: Write the proportion equation
22,690,433.99 : 31,312,998.74 = 12,377,202.95 : x - Step 2: Convert to fraction form
22,690,433.99/31,312,998.74 = 12,377,202.95/x - Step 3: Cross multiply
22,690,433.99x = 31,312,998.74 × 12,377,202.95 - Step 4: Simplify right side
22,690,433.99x = 387,567,340,252,452.31 - Step 5: Solve for x
x = 387,567,340,252,452.31/22,690,433.99 - Step 6: Final answer
x = 17,080,649.07
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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.