Finding the Fourth Proportional to 7,997,476.53, 11,036,493.66 and 4,326,392.12
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Solution
The fourth proportional to 7,997,476.53, 11,036,493.66 and 4,326,392.12 is: 5,970,408.17
Step by Step Solution
- Step 1: Write the proportion equation
7,997,476.53 : 11,036,493.66 = 4,326,392.12 : x - Step 2: Convert to fraction form
7,997,476.53/11,036,493.66 = 4,326,392.12/x - Step 3: Cross multiply
7,997,476.53x = 11,036,493.66 × 4,326,392.12 - Step 4: Simplify right side
7,997,476.53x = 47,748,199,203,053.96 - Step 5: Solve for x
x = 47,748,199,203,053.96/7,997,476.53 - Step 6: Final answer
x = 5,970,408.17
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1.5x scale
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.