Finding the Fourth Proportional to 19,817,151.58, 29,725,772.73 and 5,440,416.22
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Solution
The fourth proportional to 19,817,151.58, 29,725,772.73 and 5,440,416.22 is: 8,160,636.78
Step by Step Solution
- Step 1: Write the proportion equation
19,817,151.58 : 29,725,772.73 = 5,440,416.22 : x - Step 2: Convert to fraction form
19,817,151.58/29,725,772.73 = 5,440,416.22/x - Step 3: Cross multiply
19,817,151.58x = 29,725,772.73 × 5,440,416.22 - Step 4: Simplify right side
19,817,151.58x = 161,720,576,112,325.69 - Step 5: Solve for x
x = 161,720,576,112,325.69/19,817,151.58 - Step 6: Final answer
x = 8,160,636.78
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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.