Finding the Fourth Proportional to 10,731,905.40, 16,098,635.70 and 6,462,881.40
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Solution
The fourth proportional to 10,731,905.40, 16,098,635.70 and 6,462,881.40 is: 9,694,790.38
Step by Step Solution
- Step 1: Write the proportion equation
10,731,905.40 : 16,098,635.70 = 6,462,881.40 : x - Step 2: Convert to fraction form
10,731,905.40/16,098,635.70 = 6,462,881.40/x - Step 3: Cross multiply
10,731,905.40x = 16,098,635.70 × 6,462,881.40 - Step 4: Simplify right side
10,731,905.40x = 104,043,573,230,905.98 - Step 5: Solve for x
x = 104,043,573,230,905.98/10,731,905.40 - Step 6: Final answer
x = 9,694,790.38
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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.