Finding the Fourth Proportional to 12,806,428.93, 19,210,989.08 and 4,171,201.81
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Solution
The fourth proportional to 12,806,428.93, 19,210,989.08 and 4,171,201.81 is: 6,257,241.02
Step by Step Solution
- Step 1: Write the proportion equation
12,806,428.93 : 19,210,989.08 = 4,171,201.81 : x - Step 2: Convert to fraction form
12,806,428.93/19,210,989.08 = 4,171,201.81/x - Step 3: Cross multiply
12,806,428.93x = 19,210,989.08 × 4,171,201.81 - Step 4: Simplify right side
12,806,428.93x = 80,132,912,422,386.23 - Step 5: Solve for x
x = 80,132,912,422,386.23/12,806,428.93 - Step 6: Final answer
x = 6,257,241.02
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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.