Finding the Fourth Proportional to 45,977,124.17, 68,974,186.39 and 13,186,320.23
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Solution
The fourth proportional to 45,977,124.17, 68,974,186.39 and 13,186,320.23 is: 19,781,918.20
Step by Step Solution
- Step 1: Write the proportion equation
45,977,124.17 : 68,974,186.39 = 13,186,320.23 : x - Step 2: Convert to fraction form
45,977,124.17/68,974,186.39 = 13,186,320.23/x - Step 3: Cross multiply
45,977,124.17x = 68,974,186.39 × 13,186,320.23 - Step 4: Simplify right side
45,977,124.17x = 909,515,709,481,717.38 - Step 5: Solve for x
x = 909,515,709,481,717.38/45,977,124.17 - Step 6: Final answer
x = 19,781,918.20
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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.