Finding the Fourth Proportional to 12,930,260.49, 19,408,012.49 and 10,678,722.15
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Solution
The fourth proportional to 12,930,260.49, 19,408,012.49 and 10,678,722.15 is: 16,028,507.16
Step by Step Solution
- Step 1: Write the proportion equation
12,930,260.49 : 19,408,012.49 = 10,678,722.15 : x - Step 2: Convert to fraction form
12,930,260.49/19,408,012.49 = 10,678,722.15/x - Step 3: Cross multiply
12,930,260.49x = 19,408,012.49 × 10,678,722.15 - Step 4: Simplify right side
12,930,260.49x = 207,252,772,811,046.03 - Step 5: Solve for x
x = 207,252,772,811,046.03/12,930,260.49 - Step 6: Final answer
x = 16,028,507.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.