Finding the Fourth Proportional to 19,230,731.95, 28,846,166.07 and 4,657,661.23
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Solution
The fourth proportional to 19,230,731.95, 28,846,166.07 and 4,657,661.23 is: 6,986,508.35
Step by Step Solution
- Step 1: Write the proportion equation
19,230,731.95 : 28,846,166.07 = 4,657,661.23 : x - Step 2: Convert to fraction form
19,230,731.95/28,846,166.07 = 4,657,661.23/x - Step 3: Cross multiply
19,230,731.95x = 28,846,166.07 × 4,657,661.23 - Step 4: Simplify right side
19,230,731.95x = 134,355,669,338,380.48 - Step 5: Solve for x
x = 134,355,669,338,380.48/19,230,731.95 - Step 6: Final answer
x = 6,986,508.35
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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.