Finding the Fourth Proportional to 18,466,778.84, 27,826,217.41 and 15,174,731.48
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Solution
The fourth proportional to 18,466,778.84, 27,826,217.41 and 15,174,731.48 is: 22,865,675.76
Step by Step Solution
- Step 1: Write the proportion equation
18,466,778.84 : 27,826,217.41 = 15,174,731.48 : x - Step 2: Convert to fraction form
18,466,778.84/27,826,217.41 = 15,174,731.48/x - Step 3: Cross multiply
18,466,778.84x = 27,826,217.41 × 15,174,731.48 - Step 4: Simplify right side
18,466,778.84x = 422,255,377,300,851.06 - Step 5: Solve for x
x = 422,255,377,300,851.06/18,466,778.84 - Step 6: Final answer
x = 22,865,675.76
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.