Finding the Fourth Proportional to 22,016,536.40, 33,024,804.60 and 18,455,881.70
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Solution
The fourth proportional to 22,016,536.40, 33,024,804.60 and 18,455,881.70 is: 27,683,822.55
Step by Step Solution
- Step 1: Write the proportion equation
22,016,536.40 : 33,024,804.60 = 18,455,881.70 : x - Step 2: Convert to fraction form
22,016,536.40/33,024,804.60 = 18,455,881.70/x - Step 3: Cross multiply
22,016,536.40x = 33,024,804.60 × 18,455,881.70 - Step 4: Simplify right side
22,016,536.40x = 609,501,886,863,215.88 - Step 5: Solve for x
x = 609,501,886,863,215.88/22,016,536.40 - Step 6: Final answer
x = 27,683,822.55
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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.