Finding the Fourth Proportional to 14,648,994, 20,213,448.72 and 8,122,670.94
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Solution
The fourth proportional to 14,648,994, 20,213,448.72 and 8,122,670.94 is: 11,208,086.54
Step by Step Solution
- Step 1: Write the proportion equation
14,648,994 : 20,213,448.72 = 8,122,670.94 : x - Step 2: Convert to fraction form
14,648,994/20,213,448.72 = 8,122,670.94/x - Step 3: Cross multiply
14,648,994x = 20,213,448.72 × 8,122,670.94 - Step 4: Simplify right side
14,648,994x = 164,187,192,515,124.19 - Step 5: Solve for x
x = 164,187,192,515,124.19/14,648,994 - Step 6: Final answer
x = 11,208,086.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.