Finding the Fourth Proportional to 16,438,573.38, 24,658,029.09 and 7,341,133.98
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Solution
The fourth proportional to 16,438,573.38, 24,658,029.09 and 7,341,133.98 is: 11,011,776.45
Step by Step Solution
- Step 1: Write the proportion equation
16,438,573.38 : 24,658,029.09 = 7,341,133.98 : x - Step 2: Convert to fraction form
16,438,573.38/24,658,029.09 = 7,341,133.98/x - Step 3: Cross multiply
16,438,573.38x = 24,658,029.09 × 7,341,133.98 - Step 4: Simplify right side
16,438,573.38x = 181,017,895,232,427.50 - Step 5: Solve for x
x = 181,017,895,232,427.50/16,438,573.38 - Step 6: Final answer
x = 11,011,776.45
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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.