Finding the Fourth Proportional to 13,843,837.18, 19,104,889.02 and 7,732,659.34
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Solution
The fourth proportional to 13,843,837.18, 19,104,889.02 and 7,732,659.34 is: 10,671,289.80
Step by Step Solution
- Step 1: Write the proportion equation
13,843,837.18 : 19,104,889.02 = 7,732,659.34 : x - Step 2: Convert to fraction form
13,843,837.18/19,104,889.02 = 7,732,659.34/x - Step 3: Cross multiply
13,843,837.18x = 19,104,889.02 × 7,732,659.34 - Step 4: Simplify right side
13,843,837.18x = 147,731,598,520,166.44 - Step 5: Solve for x
x = 147,731,598,520,166.44/13,843,837.18 - Step 6: Final answer
x = 10,671,289.80
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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.