Finding the Fourth Proportional to 26,928,160.38, 40,343,528.49 and 12,367,260.18
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Solution
The fourth proportional to 26,928,160.38, 40,343,528.49 and 12,367,260.18 is: 18,528,518.34
Step by Step Solution
- Step 1: Write the proportion equation
26,928,160.38 : 40,343,528.49 = 12,367,260.18 : x - Step 2: Convert to fraction form
26,928,160.38/40,343,528.49 = 12,367,260.18/x - Step 3: Cross multiply
26,928,160.38x = 40,343,528.49 × 12,367,260.18 - Step 4: Simplify right side
26,928,160.38x = 498,938,913,415,072.56 - Step 5: Solve for x
x = 498,938,913,415,072.56/26,928,160.38 - Step 6: Final answer
x = 18,528,518.34
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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.