Finding the Fourth Proportional to 26,297,741.63, 39,446,612.60 and 7,128,498.61
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Solution
The fourth proportional to 26,297,741.63, 39,446,612.60 and 7,128,498.61 is: 10,692,747.95
Step by Step Solution
- Step 1: Write the proportion equation
26,297,741.63 : 39,446,612.60 = 7,128,498.61 : x - Step 2: Convert to fraction form
26,297,741.63/39,446,612.60 = 7,128,498.61/x - Step 3: Cross multiply
26,297,741.63x = 39,446,612.60 × 7,128,498.61 - Step 4: Simplify right side
26,297,741.63x = 281,195,122,855,432.94 - Step 5: Solve for x
x = 281,195,122,855,432.94/26,297,741.63 - Step 6: Final answer
x = 10,692,747.95
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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.