Finding the Fourth Proportional to 19,368,311.70, 29,040,025.95 and 8,013,278.10
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Solution
The fourth proportional to 19,368,311.70, 29,040,025.95 and 8,013,278.10 is: 12,014,769.67
Step by Step Solution
- Step 1: Write the proportion equation
19,368,311.70 : 29,040,025.95 = 8,013,278.10 : x - Step 2: Convert to fraction form
19,368,311.70/29,040,025.95 = 8,013,278.10/x - Step 3: Cross multiply
19,368,311.70x = 29,040,025.95 × 8,013,278.10 - Step 4: Simplify right side
19,368,311.70x = 232,705,803,968,566.69 - Step 5: Solve for x
x = 232,705,803,968,566.69/19,368,311.70 - Step 6: Final answer
x = 12,014,769.67
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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.