Finding the Fourth Proportional to 8,487,107.79, 12,730,537.04 and 2,097,359.97
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Solution
The fourth proportional to 8,487,107.79, 12,730,537.04 and 2,097,359.97 is: 3,146,009.15
Step by Step Solution
- Step 1: Write the proportion equation
8,487,107.79 : 12,730,537.04 = 2,097,359.97 : x - Step 2: Convert to fraction form
8,487,107.79/12,730,537.04 = 2,097,359.97/x - Step 3: Cross multiply
8,487,107.79x = 12,730,537.04 × 2,097,359.97 - Step 4: Simplify right side
8,487,107.79x = 26,700,518,773,811.49 - Step 5: Solve for x
x = 26,700,518,773,811.49/8,487,107.79 - Step 6: Final answer
x = 3,146,009.15
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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.