Finding the Fourth Proportional to 19,135,218.29, 28,702,941.60 and 4,758,286.08
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Solution
The fourth proportional to 19,135,218.29, 28,702,941.60 and 4,758,286.08 is: 7,137,457.51
Step by Step Solution
- Step 1: Write the proportion equation
19,135,218.29 : 28,702,941.60 = 4,758,286.08 : x - Step 2: Convert to fraction form
19,135,218.29/28,702,941.60 = 4,758,286.08/x - Step 3: Cross multiply
19,135,218.29x = 28,702,941.60 × 4,758,286.08 - Step 4: Simplify right side
19,135,218.29x = 136,576,807,470,332.94 - Step 5: Solve for x
x = 136,576,807,470,332.94/19,135,218.29 - Step 6: Final answer
x = 7,137,457.51
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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.