Finding the Fourth Proportional to 11,893,497.80, 17,840,246.70 and 8,306,271.05
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Solution
The fourth proportional to 11,893,497.80, 17,840,246.70 and 8,306,271.05 is: 12,459,406.58
Step by Step Solution
- Step 1: Write the proportion equation
11,893,497.80 : 17,840,246.70 = 8,306,271.05 : x - Step 2: Convert to fraction form
11,893,497.80/17,840,246.70 = 8,306,271.05/x - Step 3: Cross multiply
11,893,497.80x = 17,840,246.70 × 8,306,271.05 - Step 4: Simplify right side
11,893,497.80x = 148,185,924,689,068.03 - Step 5: Solve for x
x = 148,185,924,689,068.03/11,893,497.80 - Step 6: Final answer
x = 12,459,406.58
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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.