Finding the Fourth Proportional to 10,368,960.70, 15,548,775.45 and 3,977,088.70
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Solution
The fourth proportional to 10,368,960.70, 15,548,775.45 and 3,977,088.70 is: 5,963,843.53
Step by Step Solution
- Step 1: Write the proportion equation
10,368,960.70 : 15,548,775.45 = 3,977,088.70 : x - Step 2: Convert to fraction form
10,368,960.70/15,548,775.45 = 3,977,088.70/x - Step 3: Cross multiply
10,368,960.70x = 15,548,775.45 × 3,977,088.70 - Step 4: Simplify right side
10,368,960.70x = 61,838,859,141,032.41 - Step 5: Solve for x
x = 61,838,859,141,032.41/10,368,960.70 - Step 6: Final answer
x = 5,963,843.53
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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.