Finding the Fourth Proportional to 11,938,898.56, 16,475,199.36 and 6,506,273.92
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Solution
The fourth proportional to 11,938,898.56, 16,475,199.36 and 6,506,273.92 is: 8,978,396.07
Step by Step Solution
- Step 1: Write the proportion equation
11,938,898.56 : 16,475,199.36 = 6,506,273.92 : x - Step 2: Convert to fraction form
11,938,898.56/16,475,199.36 = 6,506,273.92/x - Step 3: Cross multiply
11,938,898.56x = 16,475,199.36 × 6,506,273.92 - Step 4: Simplify right side
11,938,898.56x = 107,192,159,922,768.69 - Step 5: Solve for x
x = 107,192,159,922,768.69/11,938,898.56 - Step 6: Final answer
x = 8,978,396.07
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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.