Finding the Fourth Proportional to 11,372,903.73, 15,694,584.44 and 6,478,123.95
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Solution
The fourth proportional to 11,372,903.73, 15,694,584.44 and 6,478,123.95 is: 8,939,798.11
Step by Step Solution
- Step 1: Write the proportion equation
11,372,903.73 : 15,694,584.44 = 6,478,123.95 : x - Step 2: Convert to fraction form
11,372,903.73/15,694,584.44 = 6,478,123.95/x - Step 3: Cross multiply
11,372,903.73x = 15,694,584.44 × 6,478,123.95 - Step 4: Simplify right side
11,372,903.73x = 101,671,463,313,670.72 - Step 5: Solve for x
x = 101,671,463,313,670.72/11,372,903.73 - Step 6: Final answer
x = 8,939,798.11
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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.