Finding the Fourth Proportional to 11,290,634.70, 15,580,992.78 and 6,134,038.62
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Solution
The fourth proportional to 11,290,634.70, 15,580,992.78 and 6,134,038.62 is: 8,464,928.15
Step by Step Solution
- Step 1: Write the proportion equation
11,290,634.70 : 15,580,992.78 = 6,134,038.62 : x - Step 2: Convert to fraction form
11,290,634.70/15,580,992.78 = 6,134,038.62/x - Step 3: Cross multiply
11,290,634.70x = 15,580,992.78 × 6,134,038.62 - Step 4: Simplify right side
11,290,634.70x = 95,574,411,450,461.16 - Step 5: Solve for x
x = 95,574,411,450,461.16/11,290,634.70 - Step 6: Final answer
x = 8,464,928.15
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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.