Finding the Fourth Proportional to 22,660,082.91, 31,270,917.92 and 12,346,806.92
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Solution
The fourth proportional to 22,660,082.91, 31,270,917.92 and 12,346,806.92 is: 17,038,595.45
Step by Step Solution
- Step 1: Write the proportion equation
22,660,082.91 : 31,270,917.92 = 12,346,806.92 : x - Step 2: Convert to fraction form
22,660,082.91/31,270,917.92 = 12,346,806.92/x - Step 3: Cross multiply
22,660,082.91x = 31,270,917.92 × 12,346,806.92 - Step 4: Simplify right side
22,660,082.91x = 386,095,985,551,319.31 - Step 5: Solve for x
x = 386,095,985,551,319.31/22,660,082.91 - Step 6: Final answer
x = 17,038,595.45
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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.