Finding the Fourth Proportional to 13,012,492.05, 19,513,204.97 and 5,330,829.51
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Solution
The fourth proportional to 13,012,492.05, 19,513,204.97 and 5,330,829.51 is: 7,993,977.52
Step by Step Solution
- Step 1: Write the proportion equation
13,012,492.05 : 19,513,204.97 = 5,330,829.51 : x - Step 2: Convert to fraction form
13,012,492.05/19,513,204.97 = 5,330,829.51/x - Step 3: Cross multiply
13,012,492.05x = 19,513,204.97 × 5,330,829.51 - Step 4: Simplify right side
13,012,492.05x = 104,021,568,862,100.52 - Step 5: Solve for x
x = 104,021,568,862,100.52/13,012,492.05 - Step 6: Final answer
x = 7,993,977.52
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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.