Finding the Fourth Proportional to 45,977,125.17, 68,974,187.89 and 13,186,321.23
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Solution
The fourth proportional to 45,977,125.17, 68,974,187.89 and 13,186,321.23 is: 19,781,919.70
Step by Step Solution
- Step 1: Write the proportion equation
45,977,125.17 : 68,974,187.89 = 13,186,321.23 : x - Step 2: Convert to fraction form
45,977,125.17/68,974,187.89 = 13,186,321.23/x - Step 3: Cross multiply
45,977,125.17x = 68,974,187.89 × 13,186,321.23 - Step 4: Simplify right side
45,977,125.17x = 909,515,798,095,916 - Step 5: Solve for x
x = 909,515,798,095,916/45,977,125.17 - Step 6: Final answer
x = 19,781,919.70
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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.