Finding the Fourth Proportional to 19,817,150.58, 29,725,771.23 and 5,440,415.22
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Solution
The fourth proportional to 19,817,150.58, 29,725,771.23 and 5,440,415.22 is: 8,160,635.28
Step by Step Solution
- Step 1: Write the proportion equation
19,817,150.58 : 29,725,771.23 = 5,440,415.22 : x - Step 2: Convert to fraction form
19,817,150.58/29,725,771.23 = 5,440,415.22/x - Step 3: Cross multiply
19,817,150.58x = 29,725,771.23 × 5,440,415.22 - Step 4: Simplify right side
19,817,150.58x = 161,720,538,225,930.12 - Step 5: Solve for x
x = 161,720,538,225,930.12/19,817,150.58 - Step 6: Final answer
x = 8,160,635.28
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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.