Finding the Fourth Proportional to 29,220,884.06, 40,341,037.11 and 17,621,385.98
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Solution
The fourth proportional to 29,220,884.06, 40,341,037.11 and 17,621,385.98 is: 24,327,292.23
Step by Step Solution
- Step 1: Write the proportion equation
29,220,884.06 : 40,341,037.11 = 17,621,385.98 : x - Step 2: Convert to fraction form
29,220,884.06/40,341,037.11 = 17,621,385.98/x - Step 3: Cross multiply
29,220,884.06x = 40,341,037.11 × 17,621,385.98 - Step 4: Simplify right side
29,220,884.06x = 710,864,985,748,813.75 - Step 5: Solve for x
x = 710,864,985,748,813.75/29,220,884.06 - Step 6: Final answer
x = 24,327,292.23
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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.