Finding the Fourth Proportional to 7,785,106.12, 11,677,977.33 and 2,671,052.68
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Solution
The fourth proportional to 7,785,106.12, 11,677,977.33 and 2,671,052.68 is: 4,006,688.18
Step by Step Solution
- Step 1: Write the proportion equation
7,785,106.12 : 11,677,977.33 = 2,671,052.68 : x - Step 2: Convert to fraction form
7,785,106.12/11,677,977.33 = 2,671,052.68/x - Step 3: Cross multiply
7,785,106.12x = 11,677,977.33 × 2,671,052.68 - Step 4: Simplify right side
7,785,106.12x = 31,192,492,644,275.75 - Step 5: Solve for x
x = 31,192,492,644,275.75/7,785,106.12 - Step 6: Final answer
x = 4,006,688.18
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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.