Finding the Fourth Proportional to 22,251,811.70, 33,381,485.68 and 7,674,773.06
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Solution
The fourth proportional to 22,251,811.70, 33,381,485.68 and 7,674,773.06 is: 11,513,459.24
Step by Step Solution
- Step 1: Write the proportion equation
22,251,811.70 : 33,381,485.68 = 7,674,773.06 : x - Step 2: Convert to fraction form
22,251,811.70/33,381,485.68 = 7,674,773.06/x - Step 3: Cross multiply
22,251,811.70x = 33,381,485.68 × 7,674,773.06 - Step 4: Simplify right side
22,251,811.70x = 256,195,326,999,639.75 - Step 5: Solve for x
x = 256,195,326,999,639.75/22,251,811.70 - Step 6: Final answer
x = 11,513,459.24
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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.