Finding the Fourth Proportional to 54,547,790.40, 81,812,756.16 and 22,198,386.24
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Solution
The fourth proportional to 54,547,790.40, 81,812,756.16 and 22,198,386.24 is: 33,293,945.50
Step by Step Solution
- Step 1: Write the proportion equation
54,547,790.40 : 81,812,756.16 = 22,198,386.24 : x - Step 2: Convert to fraction form
54,547,790.40/81,812,756.16 = 22,198,386.24/x - Step 3: Cross multiply
54,547,790.40x = 81,812,756.16 × 22,198,386.24 - Step 4: Simplify right side
54,547,790.40x = 1,816,111,160,598,619 - Step 5: Solve for x
x = 1,816,111,160,598,619/54,547,790.40 - Step 6: Final answer
x = 33,293,945.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.