Finding the Fourth Proportional to 51,461,749.36, 71,017,214.48 and 28,256,876.33
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Solution
The fourth proportional to 51,461,749.36, 71,017,214.48 and 28,256,876.33 is: 38,994,489.53
Step by Step Solution
- Step 1: Write the proportion equation
51,461,749.36 : 71,017,214.48 = 28,256,876.33 : x - Step 2: Convert to fraction form
51,461,749.36/71,017,214.48 = 28,256,876.33/x - Step 3: Cross multiply
51,461,749.36x = 71,017,214.48 × 28,256,876.33 - Step 4: Simplify right side
51,461,749.36x = 2,006,724,646,630,983 - Step 5: Solve for x
x = 2,006,724,646,630,983/51,461,749.36 - Step 6: Final answer
x = 38,994,489.53
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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.