Finding the Fourth Proportional to 10,368,965.70, 15,548,782.95 and 3,977,093.70
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Solution
The fourth proportional to 10,368,965.70, 15,548,782.95 and 3,977,093.70 is: 5,963,851.02
Step by Step Solution
- Step 1: Write the proportion equation
10,368,965.70 : 15,548,782.95 = 3,977,093.70 : x - Step 2: Convert to fraction form
10,368,965.70/15,548,782.95 = 3,977,093.70/x - Step 3: Cross multiply
10,368,965.70x = 15,548,782.95 × 3,977,093.70 - Step 4: Simplify right side
10,368,965.70x = 61,838,966,713,112.41 - Step 5: Solve for x
x = 61,838,966,713,112.41/10,368,965.70 - Step 6: Final answer
x = 5,963,851.02
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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.