Finding the Fourth Proportional to 14,447,558.21, 21,671,731.78 and 4,212,170.63
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Solution
The fourth proportional to 14,447,558.21, 21,671,731.78 and 4,212,170.63 is: 6,318,370.95
Step by Step Solution
- Step 1: Write the proportion equation
14,447,558.21 : 21,671,731.78 = 4,212,170.63 : x - Step 2: Convert to fraction form
14,447,558.21/21,671,731.78 = 4,212,170.63/x - Step 3: Cross multiply
14,447,558.21x = 21,671,731.78 × 4,212,170.63 - Step 4: Simplify right side
14,447,558.21x = 91,285,032,148,602.53 - Step 5: Solve for x
x = 91,285,032,148,602.53/14,447,558.21 - Step 6: Final answer
x = 6,318,370.95
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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.