Finding the Fourth Proportional to 8,735,247.81, 12,053,652.80 and 5,063,405.58
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Solution
The fourth proportional to 8,735,247.81, 12,053,652.80 and 5,063,405.58 is: 6,986,926.32
Step by Step Solution
- Step 1: Write the proportion equation
8,735,247.81 : 12,053,652.80 = 5,063,405.58 : x - Step 2: Convert to fraction form
8,735,247.81/12,053,652.80 = 5,063,405.58/x - Step 3: Cross multiply
8,735,247.81x = 12,053,652.80 × 5,063,405.58 - Step 4: Simplify right side
8,735,247.81x = 61,032,532,821,585.59 - Step 5: Solve for x
x = 61,032,532,821,585.59/8,735,247.81 - Step 6: Final answer
x = 6,986,926.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.