Finding the Fourth Proportional to 11,403,749.64, 15,737,352.96 and 6,246,770.76
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Solution
The fourth proportional to 11,403,749.64, 15,737,352.96 and 6,246,770.76 is: 8,620,641.40
Step by Step Solution
- Step 1: Write the proportion equation
11,403,749.64 : 15,737,352.96 = 6,246,770.76 : x - Step 2: Convert to fraction form
11,403,749.64/15,737,352.96 = 6,246,770.76/x - Step 3: Cross multiply
11,403,749.64x = 15,737,352.96 × 6,246,770.76 - Step 4: Simplify right side
11,403,749.64x = 98,307,636,310,327.45 - Step 5: Solve for x
x = 98,307,636,310,327.45/11,403,749.64 - Step 6: Final answer
x = 8,620,641.40
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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.