Finding the Fourth Proportional to 13,187,148.13, 19,764,778.56 and 6,793,912.90
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Solution
The fourth proportional to 13,187,148.13, 19,764,778.56 and 6,793,912.90 is: 10,182,655.32
Step by Step Solution
- Step 1: Write the proportion equation
13,187,148.13 : 19,764,778.56 = 6,793,912.90 : x - Step 2: Convert to fraction form
13,187,148.13/19,764,778.56 = 6,793,912.90/x - Step 3: Cross multiply
13,187,148.13x = 19,764,778.56 × 6,793,912.90 - Step 4: Simplify right side
13,187,148.13x = 134,280,184,024,427.42 - Step 5: Solve for x
x = 134,280,184,024,427.42/13,187,148.13 - Step 6: Final answer
x = 10,182,655.32
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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.