Finding the Fourth Proportional to 30,070,655.33, 41,497,652.09 and 16,319,635.25
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Solution
The fourth proportional to 30,070,655.33, 41,497,652.09 and 16,319,635.25 is: 22,521,176.82
Step by Step Solution
- Step 1: Write the proportion equation
30,070,655.33 : 41,497,652.09 = 16,319,635.25 : x - Step 2: Convert to fraction form
30,070,655.33/41,497,652.09 = 16,319,635.25/x - Step 3: Cross multiply
30,070,655.33x = 41,497,652.09 × 16,319,635.25 - Step 4: Simplify right side
30,070,655.33x = 677,226,545,673,511 - Step 5: Solve for x
x = 677,226,545,673,511/30,070,655.33 - Step 6: Final answer
x = 22,521,176.82
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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.