Finding the Fourth Proportional to 14,881,848.77, 20,536,257.19 and 8,266,865.99
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Solution
The fourth proportional to 14,881,848.77, 20,536,257.19 and 8,266,865.99 is: 11,407,889.48
Step by Step Solution
- Step 1: Write the proportion equation
14,881,848.77 : 20,536,257.19 = 8,266,865.99 : x - Step 2: Convert to fraction form
14,881,848.77/20,536,257.19 = 8,266,865.99/x - Step 3: Cross multiply
14,881,848.77x = 20,536,257.19 × 8,266,865.99 - Step 4: Simplify right side
14,881,848.77x = 169,770,485,981,888.34 - Step 5: Solve for x
x = 169,770,485,981,888.34/14,881,848.77 - Step 6: Final answer
x = 11,407,889.48
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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.