Finding the Fourth Proportional to 20,762,303.27, 31,146,432.86 and 6,386,583.65
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Solution
The fourth proportional to 20,762,303.27, 31,146,432.86 and 6,386,583.65 is: 9,580,791.50
Step by Step Solution
- Step 1: Write the proportion equation
20,762,303.27 : 31,146,432.86 = 6,386,583.65 : x - Step 2: Convert to fraction form
20,762,303.27/31,146,432.86 = 6,386,583.65/x - Step 3: Cross multiply
20,762,303.27x = 31,146,432.86 × 6,386,583.65 - Step 4: Simplify right side
20,762,303.27x = 198,919,298,719,733.03 - Step 5: Solve for x
x = 198,919,298,719,733.03/20,762,303.27 - Step 6: Final answer
x = 9,580,791.50
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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.