Finding the Fourth Proportional to 18,676,137.84, 28,012,102.68 and 5,030,282.99
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Solution
The fourth proportional to 18,676,137.84, 28,012,102.68 and 5,030,282.99 is: 7,544,857.77
Step by Step Solution
- Step 1: Write the proportion equation
18,676,137.84 : 28,012,102.68 = 5,030,282.99 : x - Step 2: Convert to fraction form
18,676,137.84/28,012,102.68 = 5,030,282.99/x - Step 3: Cross multiply
18,676,137.84x = 28,012,102.68 × 5,030,282.99 - Step 4: Simplify right side
18,676,137.84x = 140,908,803,625,337.41 - Step 5: Solve for x
x = 140,908,803,625,337.41/18,676,137.84 - Step 6: Final answer
x = 7,544,857.77
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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.