Finding the Fourth Proportional to 43,135,109.76, 64,703,236.68 and 14,381,254.56
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Solution
The fourth proportional to 43,135,109.76, 64,703,236.68 and 14,381,254.56 is: 21,572,072.56
Step by Step Solution
- Step 1: Write the proportion equation
43,135,109.76 : 64,703,236.68 = 14,381,254.56 : x - Step 2: Convert to fraction form
43,135,109.76/64,703,236.68 = 14,381,254.56/x - Step 3: Cross multiply
43,135,109.76x = 64,703,236.68 × 14,381,254.56 - Step 4: Simplify right side
43,135,109.76x = 930,513,717,551,009.25 - Step 5: Solve for x
x = 930,513,717,551,009.25/43,135,109.76 - Step 6: Final answer
x = 21,572,072.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.