Finding the Fourth Proportional to 19,553,964.14, 29,330,829.56 and 10,635,203.18
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Solution
The fourth proportional to 19,553,964.14, 29,330,829.56 and 10,635,203.18 is: 15,952,741.33
Step by Step Solution
- Step 1: Write the proportion equation
19,553,964.14 : 29,330,829.56 = 10,635,203.18 : x - Step 2: Convert to fraction form
19,553,964.14/29,330,829.56 = 10,635,203.18/x - Step 3: Cross multiply
19,553,964.14x = 29,330,829.56 × 10,635,203.18 - Step 4: Simplify right side
19,553,964.14x = 311,939,331,808,550 - Step 5: Solve for x
x = 311,939,331,808,550/19,553,964.14 - Step 6: Final answer
x = 15,952,741.33
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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.