Finding the Fourth Proportional to 35,513,854.81, 53,273,187.92 and 12,481,989.19
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Solution
The fourth proportional to 35,513,854.81, 53,273,187.92 and 12,481,989.19 is: 18,723,829.32
Step by Step Solution
- Step 1: Write the proportion equation
35,513,854.81 : 53,273,187.92 = 12,481,989.19 : x - Step 2: Convert to fraction form
35,513,854.81/53,273,187.92 = 12,481,989.19/x - Step 3: Cross multiply
35,513,854.81x = 53,273,187.92 × 12,481,989.19 - Step 4: Simplify right side
35,513,854.81x = 664,955,355,896,887.88 - Step 5: Solve for x
x = 664,955,355,896,887.88/35,513,854.81 - Step 6: Final answer
x = 18,723,829.32
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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.