Finding the Fourth Proportional to 14,303,949.05, 19,739,312.62 and 7,777,580.90
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Solution
The fourth proportional to 14,303,949.05, 19,739,312.62 and 7,777,580.90 is: 10,732,987.11
Step by Step Solution
- Step 1: Write the proportion equation
14,303,949.05 : 19,739,312.62 = 7,777,580.90 : x - Step 2: Convert to fraction form
14,303,949.05/19,739,312.62 = 7,777,580.90/x - Step 3: Cross multiply
14,303,949.05x = 19,739,312.62 × 7,777,580.90 - Step 4: Simplify right side
14,303,949.05x = 153,524,100,773,553.06 - Step 5: Solve for x
x = 153,524,100,773,553.06/14,303,949.05 - Step 6: Final answer
x = 10,732,987.11
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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.