Finding the Fourth Proportional to 8,316,163.80, 12,487,076.10 and 4,537,027.80
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Solution
The fourth proportional to 8,316,163.80, 12,487,076.10 and 4,537,027.80 is: 6,812,541.55
Step by Step Solution
- Step 1: Write the proportion equation
8,316,163.80 : 12,487,076.10 = 4,537,027.80 : x - Step 2: Convert to fraction form
8,316,163.80/12,487,076.10 = 4,537,027.80/x - Step 3: Cross multiply
8,316,163.80x = 12,487,076.10 × 4,537,027.80 - Step 4: Simplify right side
8,316,163.80x = 56,654,211,406,415.58 - Step 5: Solve for x
x = 56,654,211,406,415.58/8,316,163.80 - Step 6: Final answer
x = 6,812,541.55
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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.