Finding the Fourth Proportional to 40,377,626.49, 55,720,841.02 and 22,042,911.99
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Solution
The fourth proportional to 40,377,626.49, 55,720,841.02 and 22,042,911.99 is: 30,419,063.76
Step by Step Solution
- Step 1: Write the proportion equation
40,377,626.49 : 55,720,841.02 = 22,042,911.99 : x - Step 2: Convert to fraction form
40,377,626.49/55,720,841.02 = 22,042,911.99/x - Step 3: Cross multiply
40,377,626.49x = 55,720,841.02 × 22,042,911.99 - Step 4: Simplify right side
40,377,626.49x = 1,228,249,594,612,641.75 - Step 5: Solve for x
x = 1,228,249,594,612,641.75/40,377,626.49 - Step 6: Final answer
x = 30,419,063.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.