Finding the Fourth Proportional to 19,399,161.90, 29,100,994.08 and 6,446,468.52
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Solution
The fourth proportional to 19,399,161.90, 29,100,994.08 and 6,446,468.52 is: 9,670,450.88
Step by Step Solution
- Step 1: Write the proportion equation
19,399,161.90 : 29,100,994.08 = 6,446,468.52 : x - Step 2: Convert to fraction form
19,399,161.90/29,100,994.08 = 6,446,468.52/x - Step 3: Cross multiply
19,399,161.90x = 29,100,994.08 × 6,446,468.52 - Step 4: Simplify right side
19,399,161.90x = 187,598,642,237,426.34 - Step 5: Solve for x
x = 187,598,642,237,426.34/19,399,161.90 - Step 6: Final answer
x = 9,670,450.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.