Finding the Fourth Proportional to 38,056,420.56, 57,068,534.52 and 15,331,216.08
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Solution
The fourth proportional to 38,056,420.56, 57,068,534.52 and 15,331,216.08 is: 22,990,339.64
Step by Step Solution
- Step 1: Write the proportion equation
38,056,420.56 : 57,068,534.52 = 15,331,216.08 : x - Step 2: Convert to fraction form
38,056,420.56/57,068,534.52 = 15,331,216.08/x - Step 3: Cross multiply
38,056,420.56x = 57,068,534.52 × 15,331,216.08 - Step 4: Simplify right side
38,056,420.56x = 874,930,034,095,059.12 - Step 5: Solve for x
x = 874,930,034,095,059.12/38,056,420.56 - Step 6: Final answer
x = 22,990,339.64
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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.