Finding the Fourth Proportional to 19,674,707.20, 29,512,060.80 and 15,564,896.80
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Solution
The fourth proportional to 19,674,707.20, 29,512,060.80 and 15,564,896.80 is: 23,347,345.20
Step by Step Solution
- Step 1: Write the proportion equation
19,674,707.20 : 29,512,060.80 = 15,564,896.80 : x - Step 2: Convert to fraction form
19,674,707.20/29,512,060.80 = 15,564,896.80/x - Step 3: Cross multiply
19,674,707.20x = 29,512,060.80 × 15,564,896.80 - Step 4: Simplify right side
19,674,707.20x = 459,352,180,707,325.50 - Step 5: Solve for x
x = 459,352,180,707,325.50/19,674,707.20 - Step 6: Final answer
x = 23,347,345.20
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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.