Finding the Fourth Proportional to 45,977,122.92, 68,974,184.51 and 13,186,318.98
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Solution
The fourth proportional to 45,977,122.92, 68,974,184.51 and 13,186,318.98 is: 19,781,916.32
Step by Step Solution
- Step 1: Write the proportion equation
45,977,122.92 : 68,974,184.51 = 13,186,318.98 : x - Step 2: Convert to fraction form
45,977,122.92/68,974,184.51 = 13,186,318.98/x - Step 3: Cross multiply
45,977,122.92x = 68,974,184.51 × 13,186,318.98 - Step 4: Simplify right side
45,977,122.92x = 909,515,598,334,235.12 - Step 5: Solve for x
x = 909,515,598,334,235.12/45,977,122.92 - Step 6: Final answer
x = 19,781,916.32
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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.