Finding the Fourth Proportional to 36,884,031.80, 55,353,726.90 and 13,877,655.66
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Solution
The fourth proportional to 36,884,031.80, 55,353,726.90 and 13,877,655.66 is: 20,826,897.82
Step by Step Solution
- Step 1: Write the proportion equation
36,884,031.80 : 55,353,726.90 = 13,877,655.66 : x - Step 2: Convert to fraction form
36,884,031.80/55,353,726.90 = 13,877,655.66/x - Step 3: Cross multiply
36,884,031.80x = 55,353,726.90 × 13,877,655.66 - Step 4: Simplify right side
36,884,031.80x = 768,179,961,415,879.25 - Step 5: Solve for x
x = 768,179,961,415,879.25/36,884,031.80 - Step 6: Final answer
x = 20,826,897.82
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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.