Finding the Fourth Proportional to 8,487,106.29, 12,730,534.79 and 2,097,358.47
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Solution
The fourth proportional to 8,487,106.29, 12,730,534.79 and 2,097,358.47 is: 3,146,006.90
Step by Step Solution
- Step 1: Write the proportion equation
8,487,106.29 : 12,730,534.79 = 2,097,358.47 : x - Step 2: Convert to fraction form
8,487,106.29/12,730,534.79 = 2,097,358.47/x - Step 3: Cross multiply
8,487,106.29x = 12,730,534.79 × 2,097,358.47 - Step 4: Simplify right side
8,487,106.29x = 26,700,494,958,949.38 - Step 5: Solve for x
x = 26,700,494,958,949.38/8,487,106.29 - Step 6: Final answer
x = 3,146,006.90
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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.